20874352

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{2029}}^1$

素因数の和:2680

約数の個数: 20

約数和(自身を含む): 40526920

約数和(自身を除く): 19652568

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2029, 2572, 4058, 5144, 8116, 10288, 16232, 32464, 1304647, 2609294, 5218588, 10437176, 20874352]

約数ペア:

[(1, 20874352), (2, 10437176), (4, 5218588), (8, 2609294), (16, 1304647), (643, 32464), (1286, 16232), (2029, 10288), (2572, 8116), (4058, 5144)]