20929403880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{68639}}^1$

素因数の和:68685

約数の個数: 288

約数和(自身を含む): 85448563200

約数和(自身を除く): 64519159320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 121, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 242, 252, 264, 280, 308, 315, 330, 360, 363, 385, 396, 420, 440, 462, 484, 495, 504, 605, 616, 630, 660, 693, 726, 770, 792, 840, 847, 924, 968, 990, 1089, 1155, 1210, 1260, 1320, 1386, 1452, 1540, 1694, 1815, 1848, 1980, 2178, 2310, 2420, 2520, 2541, 2772, 2904, 3080, 3388, 3465, 3630, 3960, 4235, 4356, 4620, 4840, 5082, 5445, 5544, 6776, 6930, 7260, 7623, 8470, 8712, 9240, 10164, 10890, 12705, 13860, 14520, 15246, 16940, 20328, 21780, 25410, 27720, 30492, 33880, 38115, 43560, 50820, 60984, 68639, 76230, 101640, 137278, 152460, 205917, 274556, 304920, 343195, 411834, 480473, 549112, 617751, 686390, 755029, 823668, 960946, 1029585, 1235502, 1372780, 1441419, 1510058, 1647336, 1921892, 2059170, 2265087, 2402365, 2471004, 2745560, 2882838, 3020116, 3088755, 3775145, 3843784, 4118340, 4324257, 4530174, 4804730, 4942008, 5285203, 5765676, 6040232, 6177510, 6795261, 7207095, 7550290, 8236680, 8305319, 8648514, 9060348, 9609460, 10570406, 11325435, 11531352, 12355020, 13590522, 14414190, 15100580, 15855609, 16610638, 17297028, 18120696, 19218920, 21140812, 21621285, 22650870, 24710040, 24915957, 26426015, 27181044, 28828380, 30201160, 31711218, 33221276, 33976305, 34594056, 41526595, 42281624, 43242570, 45301740, 47566827, 49831914, 52852030, 54362088, 57656760, 58137233, 63422436, 66442552, 67952610, 74747871, 79278045, 83053190, 86485140, 90603480, 95133654, 99663828, 105704060, 116274466, 124579785, 126844872, 135905220, 149495742, 158556090, 166106380, 172970280, 174411699, 190267308, 199327656, 211408120, 232548932, 237834135, 249159570, 271810440, 290686165, 298991484, 317112180, 332212760, 348823398, 373739355, 380534616, 465097864, 475668270, 498319140, 523235097, 581372330, 597982968, 634224360, 697646796, 747478710, 872058495, 951336540, 996638280, 1046470194, 1162744660, 1395293592, 1494957420, 1744116990, 1902673080, 2092940388, 2325489320, 2616175485, 2989914840, 3488233980, 4185880776, 5232350970, 6976467960, 10464701940, 20929403880]

約数ペア:

[(1, 20929403880), (2, 10464701940), (3, 6976467960), (4, 5232350970), (5, 4185880776), (6, 3488233980), (7, 2989914840), (8, 2616175485), (9, 2325489320), (10, 2092940388), (11, 1902673080), (12, 1744116990), (14, 1494957420), (15, 1395293592), (18, 1162744660), (20, 1046470194), (21, 996638280), (22, 951336540), (24, 872058495), (28, 747478710), (30, 697646796), (33, 634224360), (35, 597982968), (36, 581372330), (40, 523235097), (42, 498319140), (44, 475668270), (45, 465097864), (55, 380534616), (56, 373739355), (60, 348823398), (63, 332212760), (66, 317112180), (70, 298991484), (72, 290686165), (77, 271810440), (84, 249159570), (88, 237834135), (90, 232548932), (99, 211408120), (105, 199327656), (110, 190267308), (120, 174411699), (121, 172970280), (126, 166106380), (132, 158556090), (140, 149495742), (154, 135905220), (165, 126844872), (168, 124579785), (180, 116274466), (198, 105704060), (210, 99663828), (220, 95133654), (231, 90603480), (242, 86485140), (252, 83053190), (264, 79278045), (280, 74747871), (308, 67952610), (315, 66442552), (330, 63422436), (360, 58137233), (363, 57656760), (385, 54362088), (396, 52852030), (420, 49831914), (440, 47566827), (462, 45301740), (484, 43242570), (495, 42281624), (504, 41526595), (605, 34594056), (616, 33976305), (630, 33221276), (660, 31711218), (693, 30201160), (726, 28828380), (770, 27181044), (792, 26426015), (840, 24915957), (847, 24710040), (924, 22650870), (968, 21621285), (990, 21140812), (1089, 19218920), (1155, 18120696), (1210, 17297028), (1260, 16610638), (1320, 15855609), (1386, 15100580), (1452, 14414190), (1540, 13590522), (1694, 12355020), (1815, 11531352), (1848, 11325435), (1980, 10570406), (2178, 9609460), (2310, 9060348), (2420, 8648514), (2520, 8305319), (2541, 8236680), (2772, 7550290), (2904, 7207095), (3080, 6795261), (3388, 6177510), (3465, 6040232), (3630, 5765676), (3960, 5285203), (4235, 4942008), (4356, 4804730), (4620, 4530174), (4840, 4324257), (5082, 4118340), (5445, 3843784), (5544, 3775145), (6776, 3088755), (6930, 3020116), (7260, 2882838), (7623, 2745560), (8470, 2471004), (8712, 2402365), (9240, 2265087), (10164, 2059170), (10890, 1921892), (12705, 1647336), (13860, 1510058), (14520, 1441419), (15246, 1372780), (16940, 1235502), (20328, 1029585), (21780, 960946), (25410, 823668), (27720, 755029), (30492, 686390), (33880, 617751), (38115, 549112), (43560, 480473), (50820, 411834), (60984, 343195), (68639, 304920), (76230, 274556), (101640, 205917), (137278, 152460)]