20708055420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{1499}}^1$

素因数の和:1812

約数の個数: 192

約数和(自身を含む): 63504000000

約数和(自身を除く): 42795944580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 199, 260, 267, 356, 390, 398, 445, 534, 597, 780, 796, 890, 995, 1068, 1157, 1194, 1335, 1499, 1780, 1990, 2314, 2388, 2587, 2670, 2985, 2998, 3471, 3980, 4497, 4628, 5174, 5340, 5785, 5970, 5996, 6942, 7495, 7761, 8994, 10348, 11570, 11940, 12935, 13884, 14990, 15522, 17355, 17711, 17988, 19487, 22485, 23140, 25870, 29980, 31044, 34710, 35422, 38805, 38974, 44970, 51740, 53133, 58461, 69420, 70844, 77610, 77948, 88555, 89940, 97435, 106266, 116922, 133411, 155220, 177110, 194870, 212532, 230243, 233844, 265665, 266822, 292305, 298301, 354220, 389740, 400233, 460486, 531330, 533644, 584610, 596602, 667055, 690729, 800466, 894903, 920972, 1062660, 1151215, 1169220, 1193204, 1334110, 1381458, 1491505, 1600932, 1734343, 1789806, 2001165, 2302430, 2668220, 2762916, 2983010, 3453645, 3468686, 3579612, 3877913, 4002330, 4474515, 4604860, 5203029, 5966020, 6907290, 6937372, 7755826, 8004660, 8671715, 8949030, 10406058, 11633739, 13814580, 15511652, 17343430, 17898060, 19389565, 20812116, 23267478, 26015145, 26548789, 34686860, 38779130, 46534956, 52030290, 53097578, 58168695, 77558260, 79646367, 104060580, 106195156, 116337390, 132743945, 159292734, 232674780, 265487890, 318585468, 345134257, 398231835, 530975780, 690268514, 796463670, 1035402771, 1380537028, 1592927340, 1725671285, 2070805542, 3451342570, 4141611084, 5177013855, 6902685140, 10354027710, 20708055420]

約数ペア:

[(1, 20708055420), (2, 10354027710), (3, 6902685140), (4, 5177013855), (5, 4141611084), (6, 3451342570), (10, 2070805542), (12, 1725671285), (13, 1592927340), (15, 1380537028), (20, 1035402771), (26, 796463670), (30, 690268514), (39, 530975780), (52, 398231835), (60, 345134257), (65, 318585468), (78, 265487890), (89, 232674780), (130, 159292734), (156, 132743945), (178, 116337390), (195, 106195156), (199, 104060580), (260, 79646367), (267, 77558260), (356, 58168695), (390, 53097578), (398, 52030290), (445, 46534956), (534, 38779130), (597, 34686860), (780, 26548789), (796, 26015145), (890, 23267478), (995, 20812116), (1068, 19389565), (1157, 17898060), (1194, 17343430), (1335, 15511652), (1499, 13814580), (1780, 11633739), (1990, 10406058), (2314, 8949030), (2388, 8671715), (2587, 8004660), (2670, 7755826), (2985, 6937372), (2998, 6907290), (3471, 5966020), (3980, 5203029), (4497, 4604860), (4628, 4474515), (5174, 4002330), (5340, 3877913), (5785, 3579612), (5970, 3468686), (5996, 3453645), (6942, 2983010), (7495, 2762916), (7761, 2668220), (8994, 2302430), (10348, 2001165), (11570, 1789806), (11940, 1734343), (12935, 1600932), (13884, 1491505), (14990, 1381458), (15522, 1334110), (17355, 1193204), (17711, 1169220), (17988, 1151215), (19487, 1062660), (22485, 920972), (23140, 894903), (25870, 800466), (29980, 690729), (31044, 667055), (34710, 596602), (35422, 584610), (38805, 533644), (38974, 531330), (44970, 460486), (51740, 400233), (53133, 389740), (58461, 354220), (69420, 298301), (70844, 292305), (77610, 266822), (77948, 265665), (88555, 233844), (89940, 230243), (97435, 212532), (106266, 194870), (116922, 177110), (133411, 155220)]