20372961

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1433}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 31112064

約数和(自身を除く): 10739103

約数列:

[1, 3, 7, 21, 677, 1433, 2031, 4299, 4739, 10031, 14217, 30093, 970141, 2910423, 6790987, 20372961]

約数ペア:

[(1, 20372961), (3, 6790987), (7, 2910423), (21, 970141), (677, 30093), (1433, 14217), (2031, 10031), (4299, 4739)]