20605160

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8731}}^1$

素因数の和:8801

約数の個数: 32

約数和(自身を含む): 47152800

約数和(自身を除く): 26547640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8731, 17462, 34924, 43655, 69848, 87310, 174620, 349240, 515129, 1030258, 2060516, 2575645, 4121032, 5151290, 10302580, 20605160]

約数ペア:

[(1, 20605160), (2, 10302580), (4, 5151290), (5, 4121032), (8, 2575645), (10, 2060516), (20, 1030258), (40, 515129), (59, 349240), (118, 174620), (236, 87310), (295, 69848), (472, 43655), (590, 34924), (1180, 17462), (2360, 8731)]