20145940920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{46751}}^1$

素因数の和:46800

約数の個数: 320

約数和(自身を含む): 81460684800

約数和(自身を除く): 61314743880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 81, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 162, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 324, 342, 360, 378, 380, 399, 405, 420, 456, 504, 513, 532, 540, 567, 570, 630, 648, 665, 684, 756, 760, 798, 810, 840, 855, 945, 1026, 1064, 1080, 1134, 1140, 1197, 1260, 1330, 1368, 1512, 1539, 1596, 1620, 1710, 1890, 1995, 2052, 2268, 2280, 2394, 2520, 2565, 2660, 2835, 3078, 3192, 3240, 3420, 3591, 3780, 3990, 4104, 4536, 4788, 5130, 5320, 5670, 5985, 6156, 6840, 7182, 7560, 7695, 7980, 9576, 10260, 10773, 11340, 11970, 12312, 14364, 15390, 15960, 17955, 20520, 21546, 22680, 23940, 28728, 30780, 35910, 43092, 46751, 47880, 53865, 61560, 71820, 86184, 93502, 107730, 140253, 143640, 187004, 215460, 233755, 280506, 327257, 374008, 420759, 430920, 467510, 561012, 654514, 701265, 841518, 888269, 935020, 981771, 1122024, 1262277, 1309028, 1402530, 1636285, 1683036, 1776538, 1870040, 1963542, 2103795, 2524554, 2618056, 2664807, 2805060, 2945313, 3272570, 3366072, 3553076, 3786831, 3927084, 4207590, 4441345, 4908855, 5049108, 5329614, 5610120, 5890626, 6217883, 6311385, 6545140, 7106152, 7573662, 7854168, 7994421, 8415180, 8835939, 8882690, 9817710, 10098216, 10659228, 11781252, 12435766, 12622770, 13090280, 13324035, 14726565, 15147324, 15988842, 16830360, 17671878, 17765380, 18653649, 18934155, 19635420, 21318456, 23562504, 23983263, 24871532, 25245540, 26507817, 26648070, 29453130, 30294648, 31089415, 31977684, 35343756, 35530760, 37307298, 37868310, 39270840, 39972105, 44179695, 47966526, 49743064, 50491080, 53015634, 53296140, 55960947, 58906260, 62178830, 63955368, 70687512, 71949789, 74614596, 75736620, 79944210, 88359390, 93268245, 95933052, 106031268, 106592280, 111921894, 117812520, 119916315, 124357660, 132539085, 143899578, 149229192, 151473240, 159888420, 167882841, 176718780, 186536490, 191866104, 212062536, 223843788, 239832630, 248715320, 265078170, 279804735, 287799156, 319776840, 335765682, 353437560, 359748945, 373072980, 447687576, 479665260, 503648523, 530156340, 559609470, 575598312, 671531364, 719497890, 746145960, 839414205, 959330520, 1007297046, 1060312680, 1119218940, 1343062728, 1438995780, 1678828410, 2014594092, 2238437880, 2518242615, 2877991560, 3357656820, 4029188184, 5036485230, 6715313640, 10072970460, 20145940920]

約数ペア:

[(1, 20145940920), (2, 10072970460), (3, 6715313640), (4, 5036485230), (5, 4029188184), (6, 3357656820), (7, 2877991560), (8, 2518242615), (9, 2238437880), (10, 2014594092), (12, 1678828410), (14, 1438995780), (15, 1343062728), (18, 1119218940), (19, 1060312680), (20, 1007297046), (21, 959330520), (24, 839414205), (27, 746145960), (28, 719497890), (30, 671531364), (35, 575598312), (36, 559609470), (38, 530156340), (40, 503648523), (42, 479665260), (45, 447687576), (54, 373072980), (56, 359748945), (57, 353437560), (60, 335765682), (63, 319776840), (70, 287799156), (72, 279804735), (76, 265078170), (81, 248715320), (84, 239832630), (90, 223843788), (95, 212062536), (105, 191866104), (108, 186536490), (114, 176718780), (120, 167882841), (126, 159888420), (133, 151473240), (135, 149229192), (140, 143899578), (152, 132539085), (162, 124357660), (168, 119916315), (171, 117812520), (180, 111921894), (189, 106592280), (190, 106031268), (210, 95933052), (216, 93268245), (228, 88359390), (252, 79944210), (266, 75736620), (270, 74614596), (280, 71949789), (285, 70687512), (315, 63955368), (324, 62178830), (342, 58906260), (360, 55960947), (378, 53296140), (380, 53015634), (399, 50491080), (405, 49743064), (420, 47966526), (456, 44179695), (504, 39972105), (513, 39270840), (532, 37868310), (540, 37307298), (567, 35530760), (570, 35343756), (630, 31977684), (648, 31089415), (665, 30294648), (684, 29453130), (756, 26648070), (760, 26507817), (798, 25245540), (810, 24871532), (840, 23983263), (855, 23562504), (945, 21318456), (1026, 19635420), (1064, 18934155), (1080, 18653649), (1134, 17765380), (1140, 17671878), (1197, 16830360), (1260, 15988842), (1330, 15147324), (1368, 14726565), (1512, 13324035), (1539, 13090280), (1596, 12622770), (1620, 12435766), (1710, 11781252), (1890, 10659228), (1995, 10098216), (2052, 9817710), (2268, 8882690), (2280, 8835939), (2394, 8415180), (2520, 7994421), (2565, 7854168), (2660, 7573662), (2835, 7106152), (3078, 6545140), (3192, 6311385), (3240, 6217883), (3420, 5890626), (3591, 5610120), (3780, 5329614), (3990, 5049108), (4104, 4908855), (4536, 4441345), (4788, 4207590), (5130, 3927084), (5320, 3786831), (5670, 3553076), (5985, 3366072), (6156, 3272570), (6840, 2945313), (7182, 2805060), (7560, 2664807), (7695, 2618056), (7980, 2524554), (9576, 2103795), (10260, 1963542), (10773, 1870040), (11340, 1776538), (11970, 1683036), (12312, 1636285), (14364, 1402530), (15390, 1309028), (15960, 1262277), (17955, 1122024), (20520, 981771), (21546, 935020), (22680, 888269), (23940, 841518), (28728, 701265), (30780, 654514), (35910, 561012), (43092, 467510), (46751, 430920), (47880, 420759), (53865, 374008), (61560, 327257), (71820, 280506), (86184, 233755), (93502, 215460), (107730, 187004), (140253, 143640)]