20745296040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{465977}}^1$

素因数の和:466051

約数の個数: 128

約数和(自身を含む): 72468898560

約数和(自身を除く): 51723602520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1855, 2120, 2226, 2968, 3180, 3710, 4452, 5565, 6360, 7420, 8904, 11130, 14840, 22260, 44520, 465977, 931954, 1397931, 1863908, 2329885, 2795862, 3261839, 3727816, 4659770, 5591724, 6523678, 6989655, 9319540, 9785517, 11183448, 13047356, 13979310, 16309195, 18639080, 19571034, 24696781, 26094712, 27958620, 32618390, 39142068, 48927585, 49393562, 55917240, 65236780, 74090343, 78284136, 97855170, 98787124, 123483905, 130473560, 148180686, 172877467, 195710340, 197574248, 246967810, 296361372, 345754934, 370451715, 391420680, 493935620, 518632401, 592722744, 691509868, 740903430, 864387335, 987871240, 1037264802, 1383019736, 1481806860, 1728774670, 2074529604, 2593162005, 2963613720, 3457549340, 4149059208, 5186324010, 6915098680, 10372648020, 20745296040]

約数ペア:

[(1, 20745296040), (2, 10372648020), (3, 6915098680), (4, 5186324010), (5, 4149059208), (6, 3457549340), (7, 2963613720), (8, 2593162005), (10, 2074529604), (12, 1728774670), (14, 1481806860), (15, 1383019736), (20, 1037264802), (21, 987871240), (24, 864387335), (28, 740903430), (30, 691509868), (35, 592722744), (40, 518632401), (42, 493935620), (53, 391420680), (56, 370451715), (60, 345754934), (70, 296361372), (84, 246967810), (105, 197574248), (106, 195710340), (120, 172877467), (140, 148180686), (159, 130473560), (168, 123483905), (210, 98787124), (212, 97855170), (265, 78284136), (280, 74090343), (318, 65236780), (371, 55917240), (420, 49393562), (424, 48927585), (530, 39142068), (636, 32618390), (742, 27958620), (795, 26094712), (840, 24696781), (1060, 19571034), (1113, 18639080), (1272, 16309195), (1484, 13979310), (1590, 13047356), (1855, 11183448), (2120, 9785517), (2226, 9319540), (2968, 6989655), (3180, 6523678), (3710, 5591724), (4452, 4659770), (5565, 3727816), (6360, 3261839), (7420, 2795862), (8904, 2329885), (11130, 1863908), (14840, 1397931), (22260, 931954), (44520, 465977)]