20280898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 35443008

約数和(自身を除く): 15162110

約数列:

[1, 2, 11, 17, 22, 34, 187, 211, 257, 374, 422, 514, 2321, 2827, 3587, 4369, 4642, 5654, 7174, 8738, 39457, 48059, 54227, 78914, 96118, 108454, 596497, 921859, 1192994, 1843718, 10140449, 20280898]

約数ペア:

[(1, 20280898), (2, 10140449), (11, 1843718), (17, 1192994), (22, 921859), (34, 596497), (187, 108454), (211, 96118), (257, 78914), (374, 54227), (422, 48059), (514, 39457), (2321, 8738), (2827, 7174), (3587, 5654), (4369, 4642)]