20559992

素因数分解:

$2^3\times {\mathrm{379}}^1\times {\mathrm{6781}}^1$

素因数の和:7166

約数の個数: 16

約数和(自身を含む): 38657400

約数和(自身を除く): 18097408

約数列:

[1, 2, 4, 8, 379, 758, 1516, 3032, 6781, 13562, 27124, 54248, 2569999, 5139998, 10279996, 20559992]

約数ペア:

[(1, 20559992), (2, 10279996), (4, 5139998), (8, 2569999), (379, 54248), (758, 27124), (1516, 13562), (3032, 6781)]