20705722

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{853}}^1$

素因数の和:1137

約数の個数: 16

約数和(自身を含む): 31820040

約数和(自身を除く): 11114318

約数列:

[1, 2, 53, 106, 229, 458, 853, 1706, 12137, 24274, 45209, 90418, 195337, 390674, 10352861, 20705722]

約数ペア:

[(1, 20705722), (2, 10352861), (53, 390674), (106, 195337), (229, 90418), (458, 45209), (853, 24274), (1706, 12137)]