20398956

素因数分解:

$2^2\times 3^1\times {\mathrm{197}}^1\times {\mathrm{8629}}^1$

素因数の和:8833

約数の個数: 24

約数和(自身を含む): 47844720

約数和(自身を除く): 27445764

約数列:

[1, 2, 3, 4, 6, 12, 197, 394, 591, 788, 1182, 2364, 8629, 17258, 25887, 34516, 51774, 103548, 1699913, 3399826, 5099739, 6799652, 10199478, 20398956]

約数ペア:

[(1, 20398956), (2, 10199478), (3, 6799652), (4, 5099739), (6, 3399826), (12, 1699913), (197, 103548), (394, 51774), (591, 34516), (788, 25887), (1182, 17258), (2364, 8629)]