20595100

素因数分解:

$2^2\times 5^2\times {\mathrm{205951}}^1$

素因数の和:205965

約数の個数: 18

約数和(自身を含む): 44691584

約数和(自身を除く): 24096484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 205951, 411902, 823804, 1029755, 2059510, 4119020, 5148775, 10297550, 20595100]

約数ペア:

[(1, 20595100), (2, 10297550), (4, 5148775), (5, 4119020), (10, 2059510), (20, 1029755), (25, 823804), (50, 411902), (100, 205951)]