20692045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19801}}^1$

素因数の和:19836

約数の個数: 16

約数和(自身を含む): 28514880

約数和(自身を除く): 7822835

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19801, 99005, 217811, 376219, 1089055, 1881095, 4138409, 20692045]

約数ペア:

[(1, 20692045), (5, 4138409), (11, 1881095), (19, 1089055), (55, 376219), (95, 217811), (209, 99005), (1045, 19801)]