2071748020

素因数分解:

$2^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{53149}}^1$

素因数の和:55107

約数の個数: 24

約数和(自身を含む): 4352985000

約数和(自身を除く): 2281236980

約数列:

[1, 2, 4, 5, 10, 20, 1949, 3898, 7796, 9745, 19490, 38980, 53149, 106298, 212596, 265745, 531490, 1062980, 103587401, 207174802, 414349604, 517937005, 1035874010, 2071748020]

約数ペア:

[(1, 2071748020), (2, 1035874010), (4, 517937005), (5, 414349604), (10, 207174802), (20, 103587401), (1949, 1062980), (3898, 531490), (7796, 265745), (9745, 212596), (19490, 106298), (38980, 53149)]