20181444980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3223873}}^1$

素因数の和:3224195

約数の個数: 24

約数和(自身を含む): 42516450312

約数和(自身を除く): 22335005332

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 3223873, 6447746, 12895492, 16119365, 32238730, 64477460, 1009072249, 2018144498, 4036288996, 5045361245, 10090722490, 20181444980]

約数ペア:

[(1, 20181444980), (2, 10090722490), (4, 5045361245), (5, 4036288996), (10, 2018144498), (20, 1009072249), (313, 64477460), (626, 32238730), (1252, 16119365), (1565, 12895492), (3130, 6447746), (6260, 3223873)]