20731034891

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1566143}}^1$

素因数の和:1566242

約数の個数: 16

約数和(自身を含む): 24857837568

約数和(自身を除く): 4126802677

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 1566143, 10963001, 48550433, 95534723, 339853031, 668743061, 2961576413, 20731034891]

約数ペア:

[(1, 20731034891), (7, 2961576413), (31, 668743061), (61, 339853031), (217, 95534723), (427, 48550433), (1891, 10963001), (13237, 1566143)]