20171921035

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{3037}}^1$

素因数の和:3332

約数の個数: 64

約数和(自身を含む): 29790093312

約数和(自身を除く): 9618172277

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 223, 259, 805, 851, 1115, 1295, 1561, 3037, 4255, 5129, 5957, 7805, 8251, 15185, 21259, 25645, 29785, 35903, 41255, 57757, 69851, 106295, 112369, 179515, 189773, 288785, 349255, 488957, 561845, 677251, 786583, 948865, 1328411, 2444785, 2584487, 3386255, 3932915, 4740757, 6642055, 12922435, 15576773, 18091409, 23703785, 25058287, 77883865, 90457045, 109037411, 125291435, 175408009, 545187055, 576340601, 877040045, 2881703005, 4034384207, 20171921035]

約数ペア:

[(1, 20171921035), (5, 4034384207), (7, 2881703005), (23, 877040045), (35, 576340601), (37, 545187055), (115, 175408009), (161, 125291435), (185, 109037411), (223, 90457045), (259, 77883865), (805, 25058287), (851, 23703785), (1115, 18091409), (1295, 15576773), (1561, 12922435), (3037, 6642055), (4255, 4740757), (5129, 3932915), (5957, 3386255), (7805, 2584487), (8251, 2444785), (15185, 1328411), (21259, 948865), (25645, 786583), (29785, 677251), (35903, 561845), (41255, 488957), (57757, 349255), (69851, 288785), (106295, 189773), (112369, 179515)]