20347130870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1\times {\mathrm{5821}}^1$

素因数の和:6621

約数の個数: 64

約数和(自身を含む): 40945893120

約数和(自身を除く): 20598762250

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 739, 946, 1478, 2365, 3695, 4730, 5821, 7390, 8129, 11642, 16258, 29105, 31777, 40645, 58210, 63554, 64031, 81290, 128062, 158885, 250303, 317770, 320155, 349547, 500606, 640310, 699094, 1251515, 1747735, 2503030, 2753333, 3495470, 4301719, 5506666, 8603438, 13766665, 21508595, 27533330, 43017190, 47318909, 94637818, 184973917, 236594545, 369947834, 473189090, 924869585, 1849739170, 2034713087, 4069426174, 10173565435, 20347130870]

約数ペア:

[(1, 20347130870), (2, 10173565435), (5, 4069426174), (10, 2034713087), (11, 1849739170), (22, 924869585), (43, 473189090), (55, 369947834), (86, 236594545), (110, 184973917), (215, 94637818), (430, 47318909), (473, 43017190), (739, 27533330), (946, 21508595), (1478, 13766665), (2365, 8603438), (3695, 5506666), (4730, 4301719), (5821, 3495470), (7390, 2753333), (8129, 2503030), (11642, 1747735), (16258, 1251515), (29105, 699094), (31777, 640310), (40645, 500606), (58210, 349547), (63554, 320155), (64031, 317770), (81290, 250303), (128062, 158885)]