20842084

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 37314648

約数和(自身を除く): 16472564

約数列:

[1, 2, 4, 73, 137, 146, 274, 292, 521, 548, 1042, 2084, 10001, 20002, 38033, 40004, 71377, 76066, 142754, 152132, 285508, 5210521, 10421042, 20842084]

約数ペア:

[(1, 20842084), (2, 10421042), (4, 5210521), (73, 285508), (137, 152132), (146, 142754), (274, 76066), (292, 71377), (521, 40004), (548, 38033), (1042, 20002), (2084, 10001)]