20779198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49711}}^1$

素因数の和:49743

約数の個数: 16

約数和(自身を含む): 35792640

約数和(自身を除く): 15013442

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49711, 99422, 546821, 944509, 1093642, 1889018, 10389599, 20779198]

約数ペア:

[(1, 20779198), (2, 10389599), (11, 1889018), (19, 1093642), (22, 944509), (38, 546821), (209, 99422), (418, 49711)]