20186678

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{1423}}^1$

素因数の和:1639

約数の個数: 16

約数和(自身を含む): 31219776

約数和(自身を除く): 11033098

約数列:

[1, 2, 41, 82, 173, 346, 1423, 2846, 7093, 14186, 58343, 116686, 246179, 492358, 10093339, 20186678]

約数ペア:

[(1, 20186678), (2, 10093339), (41, 492358), (82, 246179), (173, 116686), (346, 58343), (1423, 14186), (2846, 7093)]