20479359

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6779}}^1$

素因数の和:6854

約数の個数: 16

約数和(自身を含む): 29289600

約数和(自身を除く): 8810241

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6779, 20337, 128801, 359287, 386403, 1077861, 6826453, 20479359]

約数ペア:

[(1, 20479359), (3, 6826453), (19, 1077861), (53, 386403), (57, 359287), (159, 128801), (1007, 20337), (3021, 6779)]