20434680

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 320

約数和(自身を含む): 84680640

約数和(自身を除く): 64245960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 53, 54, 56, 60, 63, 68, 70, 72, 81, 84, 85, 90, 102, 105, 106, 108, 119, 120, 126, 135, 136, 140, 153, 159, 162, 168, 170, 180, 189, 204, 210, 212, 216, 238, 252, 255, 265, 270, 280, 306, 315, 318, 324, 340, 357, 360, 371, 378, 405, 408, 420, 424, 459, 476, 477, 504, 510, 530, 540, 567, 595, 612, 630, 636, 648, 680, 714, 742, 756, 765, 795, 810, 840, 901, 918, 945, 952, 954, 1020, 1060, 1071, 1080, 1113, 1134, 1190, 1224, 1260, 1272, 1377, 1428, 1431, 1484, 1512, 1530, 1590, 1620, 1785, 1802, 1836, 1855, 1890, 1908, 2040, 2120, 2142, 2226, 2268, 2295, 2380, 2385, 2520, 2703, 2754, 2835, 2856, 2862, 2968, 3060, 3180, 3213, 3240, 3339, 3570, 3604, 3672, 3710, 3780, 3816, 4284, 4293, 4452, 4505, 4536, 4590, 4760, 4770, 5355, 5406, 5508, 5565, 5670, 5724, 6120, 6307, 6360, 6426, 6678, 6885, 7140, 7155, 7208, 7420, 7560, 8109, 8568, 8586, 8904, 9010, 9180, 9540, 9639, 10017, 10710, 10812, 11016, 11130, 11340, 11448, 12614, 12852, 13356, 13515, 13770, 14280, 14310, 14840, 16065, 16218, 16695, 17172, 18020, 18360, 18921, 19080, 19278, 20034, 21420, 21465, 21624, 22260, 22680, 24327, 25228, 25704, 26712, 27030, 27540, 28620, 30051, 31535, 32130, 32436, 33390, 34344, 36040, 37842, 38556, 40068, 40545, 42840, 42930, 44520, 48195, 48654, 50085, 50456, 54060, 55080, 56763, 57240, 60102, 63070, 64260, 64872, 66780, 72981, 75684, 77112, 80136, 81090, 85860, 94605, 96390, 97308, 100170, 108120, 113526, 120204, 121635, 126140, 128520, 133560, 145962, 150255, 151368, 162180, 170289, 171720, 189210, 192780, 194616, 200340, 227052, 240408, 243270, 252280, 283815, 291924, 300510, 324360, 340578, 364905, 378420, 385560, 400680, 454104, 486540, 510867, 567630, 583848, 601020, 681156, 729810, 756840, 851445, 973080, 1021734, 1135260, 1202040, 1362312, 1459620, 1702890, 2043468, 2270520, 2554335, 2919240, 3405780, 4086936, 5108670, 6811560, 10217340, 20434680]

約数ペア:

[(1, 20434680), (2, 10217340), (3, 6811560), (4, 5108670), (5, 4086936), (6, 3405780), (7, 2919240), (8, 2554335), (9, 2270520), (10, 2043468), (12, 1702890), (14, 1459620), (15, 1362312), (17, 1202040), (18, 1135260), (20, 1021734), (21, 973080), (24, 851445), (27, 756840), (28, 729810), (30, 681156), (34, 601020), (35, 583848), (36, 567630), (40, 510867), (42, 486540), (45, 454104), (51, 400680), (53, 385560), (54, 378420), (56, 364905), (60, 340578), (63, 324360), (68, 300510), (70, 291924), (72, 283815), (81, 252280), (84, 243270), (85, 240408), (90, 227052), (102, 200340), (105, 194616), (106, 192780), (108, 189210), (119, 171720), (120, 170289), (126, 162180), (135, 151368), (136, 150255), (140, 145962), (153, 133560), (159, 128520), (162, 126140), (168, 121635), (170, 120204), (180, 113526), (189, 108120), (204, 100170), (210, 97308), (212, 96390), (216, 94605), (238, 85860), (252, 81090), (255, 80136), (265, 77112), (270, 75684), (280, 72981), (306, 66780), (315, 64872), (318, 64260), (324, 63070), (340, 60102), (357, 57240), (360, 56763), (371, 55080), (378, 54060), (405, 50456), (408, 50085), (420, 48654), (424, 48195), (459, 44520), (476, 42930), (477, 42840), (504, 40545), (510, 40068), (530, 38556), (540, 37842), (567, 36040), (595, 34344), (612, 33390), (630, 32436), (636, 32130), (648, 31535), (680, 30051), (714, 28620), (742, 27540), (756, 27030), (765, 26712), (795, 25704), (810, 25228), (840, 24327), (901, 22680), (918, 22260), (945, 21624), (952, 21465), (954, 21420), (1020, 20034), (1060, 19278), (1071, 19080), (1080, 18921), (1113, 18360), (1134, 18020), (1190, 17172), (1224, 16695), (1260, 16218), (1272, 16065), (1377, 14840), (1428, 14310), (1431, 14280), (1484, 13770), (1512, 13515), (1530, 13356), (1590, 12852), (1620, 12614), (1785, 11448), (1802, 11340), (1836, 11130), (1855, 11016), (1890, 10812), (1908, 10710), (2040, 10017), (2120, 9639), (2142, 9540), (2226, 9180), (2268, 9010), (2295, 8904), (2380, 8586), (2385, 8568), (2520, 8109), (2703, 7560), (2754, 7420), (2835, 7208), (2856, 7155), (2862, 7140), (2968, 6885), (3060, 6678), (3180, 6426), (3213, 6360), (3240, 6307), (3339, 6120), (3570, 5724), (3604, 5670), (3672, 5565), (3710, 5508), (3780, 5406), (3816, 5355), (4284, 4770), (4293, 4760), (4452, 4590), (4505, 4536)]