20751665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1229}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 27276480

約数和(自身を除く): 6524815

約数列:

[1, 5, 11, 55, 307, 1229, 1535, 3377, 6145, 13519, 16885, 67595, 377303, 1886515, 4150333, 20751665]

約数ペア:

[(1, 20751665), (5, 4150333), (11, 1886515), (55, 377303), (307, 67595), (1229, 16885), (1535, 13519), (3377, 6145)]