2097153980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1476869}}^1$

素因数の和:1476949

約数の個数: 24

約数和(自身を含む): 4466054880

約数和(自身を除く): 2368900900

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1476869, 2953738, 5907476, 7384345, 14768690, 29537380, 104857699, 209715398, 419430796, 524288495, 1048576990, 2097153980]

約数ペア:

[(1, 2097153980), (2, 1048576990), (4, 524288495), (5, 419430796), (10, 209715398), (20, 104857699), (71, 29537380), (142, 14768690), (284, 7384345), (355, 5907476), (710, 2953738), (1420, 1476869)]