20672968

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{48757}}^1$

素因数の和:48816

約数の個数: 16

約数和(自身を含む): 39493980

約数和(自身を除く): 18821012

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 48757, 97514, 195028, 390056, 2584121, 5168242, 10336484, 20672968]

約数ペア:

[(1, 20672968), (2, 10336484), (4, 5168242), (8, 2584121), (53, 390056), (106, 195028), (212, 97514), (424, 48757)]