15900620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19391}}^1$

素因数の和:19441

約数の個数: 24

約数和(自身を含む): 34207488

約数和(自身を除く): 18306868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19391, 38782, 77564, 96955, 193910, 387820, 795031, 1590062, 3180124, 3975155, 7950310, 15900620]

約数ペア:

[(1, 15900620), (2, 7950310), (4, 3975155), (5, 3180124), (10, 1590062), (20, 795031), (41, 387820), (82, 193910), (164, 96955), (205, 77564), (410, 38782), (820, 19391)]