20445831

素因数分解:

$3^3\times 7^1\times {\mathrm{108179}}^1$

素因数の和:108195

約数の個数: 16

約数和(自身を含む): 34617600

約数和(自身を除く): 14171769

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 108179, 324537, 757253, 973611, 2271759, 2920833, 6815277, 20445831]

約数ペア:

[(1, 20445831), (3, 6815277), (7, 2920833), (9, 2271759), (21, 973611), (27, 757253), (63, 324537), (189, 108179)]