20708529

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 28366848

約数和(自身を除く): 7658319

約数列:

[1, 3, 47, 141, 227, 647, 681, 1941, 10669, 30409, 32007, 91227, 146869, 440607, 6902843, 20708529]

約数ペア:

[(1, 20708529), (3, 6902843), (47, 440607), (141, 146869), (227, 91227), (647, 32007), (681, 30409), (1941, 10669)]