20187554

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{1229}}^1$

素因数の和:1465

約数の個数: 16

約数和(自身を含む): 31173120

約数和(自身を除く): 10985566

約数列:

[1, 2, 43, 86, 191, 382, 1229, 2458, 8213, 16426, 52847, 105694, 234739, 469478, 10093777, 20187554]

約数ペア:

[(1, 20187554), (2, 10093777), (43, 469478), (86, 234739), (191, 105694), (382, 52847), (1229, 16426), (2458, 8213)]