20169220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32531}}^1$

素因数の和:32571

約数の個数: 24

約数和(自身を含む): 43723008

約数和(自身を除く): 23553788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32531, 65062, 130124, 162655, 325310, 650620, 1008461, 2016922, 4033844, 5042305, 10084610, 20169220]

約数ペア:

[(1, 20169220), (2, 10084610), (4, 5042305), (5, 4033844), (10, 2016922), (20, 1008461), (31, 650620), (62, 325310), (124, 162655), (155, 130124), (310, 65062), (620, 32531)]