20413160

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2851}}^1$

素因数の和:3041

約数の個数: 32

約数和(自身を含む): 46202400

約数和(自身を除く): 25789240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 2851, 3580, 5702, 7160, 11404, 14255, 22808, 28510, 57020, 114040, 510329, 1020658, 2041316, 2551645, 4082632, 5103290, 10206580, 20413160]

約数ペア:

[(1, 20413160), (2, 10206580), (4, 5103290), (5, 4082632), (8, 2551645), (10, 2041316), (20, 1020658), (40, 510329), (179, 114040), (358, 57020), (716, 28510), (895, 22808), (1432, 14255), (1790, 11404), (2851, 7160), (3580, 5702)]