20016111

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1571}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 27767808

約数和(自身を除く): 7751697

約数列:

[1, 3, 31, 93, 137, 411, 1571, 4247, 4713, 12741, 48701, 146103, 215227, 645681, 6672037, 20016111]

約数ペア:

[(1, 20016111), (3, 6672037), (31, 645681), (93, 215227), (137, 146103), (411, 48701), (1571, 12741), (4247, 4713)]