20912676890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1907}}^1\times {\mathrm{3821}}^1$

素因数の和:5783

約数の個数: 64

約数和(自身を含む): 44104290048

約数和(自身を除く): 23191613158

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 1907, 2870, 3814, 3821, 7642, 9535, 13349, 19070, 19105, 26698, 26747, 38210, 53494, 66745, 78187, 133490, 133735, 156374, 156661, 267470, 313322, 390935, 547309, 781870, 783305, 1094618, 1096627, 1566610, 2193254, 2736545, 5473090, 5483135, 7286647, 10966270, 14573294, 36433235, 51006529, 72866470, 102013058, 255032645, 298752527, 510065290, 597505054, 1493762635, 2091267689, 2987525270, 4182535378, 10456338445, 20912676890]

約数ペア:

[(1, 20912676890), (2, 10456338445), (5, 4182535378), (7, 2987525270), (10, 2091267689), (14, 1493762635), (35, 597505054), (41, 510065290), (70, 298752527), (82, 255032645), (205, 102013058), (287, 72866470), (410, 51006529), (574, 36433235), (1435, 14573294), (1907, 10966270), (2870, 7286647), (3814, 5483135), (3821, 5473090), (7642, 2736545), (9535, 2193254), (13349, 1566610), (19070, 1096627), (19105, 1094618), (26698, 783305), (26747, 781870), (38210, 547309), (53494, 390935), (66745, 313322), (78187, 267470), (133490, 156661), (133735, 156374)]