20520159

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14461}}^1$

素因数の和:14518

約数の個数: 16

約数和(自身を含む): 30543744

約数和(自身を除く): 10023585

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14461, 43383, 159071, 477213, 621823, 1865469, 6840053, 20520159]

約数ペア:

[(1, 20520159), (3, 6840053), (11, 1865469), (33, 621823), (43, 477213), (129, 159071), (473, 43383), (1419, 14461)]