20995384

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{35951}}^1$

素因数の和:36030

約数の個数: 16

約数和(自身を含む): 39906720

約数和(自身を除く): 18911336

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 35951, 71902, 143804, 287608, 2624423, 5248846, 10497692, 20995384]

約数ペア:

[(1, 20995384), (2, 10497692), (4, 5248846), (8, 2624423), (73, 287608), (146, 143804), (292, 71902), (584, 35951)]