20043620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21323}}^1$

素因数の和:21379

約数の個数: 24

約数和(自身を含む): 42989184

約数和(自身を除く): 22945564

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21323, 42646, 85292, 106615, 213230, 426460, 1002181, 2004362, 4008724, 5010905, 10021810, 20043620]

約数ペア:

[(1, 20043620), (2, 10021810), (4, 5010905), (5, 4008724), (10, 2004362), (20, 1002181), (47, 426460), (94, 213230), (188, 106615), (235, 85292), (470, 42646), (940, 21323)]