20171580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2387

約数の個数: 96

約数和(自身を含む): 66382848

約数和(自身を除く): 46211268

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2351, 2860, 4290, 4702, 7053, 8580, 9404, 11755, 14106, 23510, 25861, 28212, 30563, 35265, 47020, 51722, 61126, 70530, 77583, 91689, 103444, 122252, 129305, 141060, 152815, 155166, 183378, 258610, 305630, 310332, 336193, 366756, 387915, 458445, 517220, 611260, 672386, 775830, 916890, 1008579, 1344772, 1551660, 1680965, 1833780, 2017158, 3361930, 4034316, 5042895, 6723860, 10085790, 20171580]

約数ペア:

[(1, 20171580), (2, 10085790), (3, 6723860), (4, 5042895), (5, 4034316), (6, 3361930), (10, 2017158), (11, 1833780), (12, 1680965), (13, 1551660), (15, 1344772), (20, 1008579), (22, 916890), (26, 775830), (30, 672386), (33, 611260), (39, 517220), (44, 458445), (52, 387915), (55, 366756), (60, 336193), (65, 310332), (66, 305630), (78, 258610), (110, 183378), (130, 155166), (132, 152815), (143, 141060), (156, 129305), (165, 122252), (195, 103444), (220, 91689), (260, 77583), (286, 70530), (330, 61126), (390, 51722), (429, 47020), (572, 35265), (660, 30563), (715, 28212), (780, 25861), (858, 23510), (1430, 14106), (1716, 11755), (2145, 9404), (2351, 8580), (2860, 7053), (4290, 4702)]