20172135086

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1\times {\mathrm{809}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 30720060000

約数和(自身を除く): 10547924914

約数列:

[1, 2, 139, 257, 278, 349, 514, 698, 809, 1618, 35723, 48511, 71446, 89693, 97022, 112451, 179386, 207913, 224902, 282341, 415826, 564682, 12467327, 24934654, 28899907, 39245399, 57799814, 72561637, 78490798, 145123274, 10086067543, 20172135086]

約数ペア:

[(1, 20172135086), (2, 10086067543), (139, 145123274), (257, 78490798), (278, 72561637), (349, 57799814), (514, 39245399), (698, 28899907), (809, 24934654), (1618, 12467327), (35723, 564682), (48511, 415826), (71446, 282341), (89693, 224902), (97022, 207913), (112451, 179386)]