20133980

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1487}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 42372288

約数和(自身を除く): 22238308

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 1487, 2708, 2974, 3385, 5948, 6770, 7435, 13540, 14870, 29740, 1006699, 2013398, 4026796, 5033495, 10066990, 20133980]

約数ペア:

[(1, 20133980), (2, 10066990), (4, 5033495), (5, 4026796), (10, 2013398), (20, 1006699), (677, 29740), (1354, 14870), (1487, 13540), (2708, 7435), (2974, 6770), (3385, 5948)]