20980522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2411}}^1$

素因数の和:2661

約数の個数: 16

約数和(自身を含む): 33285600

約数和(自身を除く): 12305078

約数列:

[1, 2, 19, 38, 229, 458, 2411, 4351, 4822, 8702, 45809, 91618, 552119, 1104238, 10490261, 20980522]

約数ペア:

[(1, 20980522), (2, 10490261), (19, 1104238), (38, 552119), (229, 91618), (458, 45809), (2411, 8702), (4351, 4822)]