20156666

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{613}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 31100328

約数和(自身を除く): 10943662

約数列:

[1, 2, 41, 82, 401, 613, 802, 1226, 16441, 25133, 32882, 50266, 245813, 491626, 10078333, 20156666]

約数ペア:

[(1, 20156666), (2, 10078333), (41, 491626), (82, 245813), (401, 50266), (613, 32882), (802, 25133), (1226, 16441)]