20213912

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{13229}}^1$

素因数の和:13426

約数の個数: 16

約数和(自身を含む): 38102400

約数和(自身を除く): 17888488

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 13229, 26458, 52916, 105832, 2526739, 5053478, 10106956, 20213912]

約数ペア:

[(1, 20213912), (2, 10106956), (4, 5053478), (8, 2526739), (191, 105832), (382, 52916), (764, 26458), (1528, 13229)]