20360039

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{1151}}^1$

素因数の和:1203

約数の個数: 18

約数和(自身を含む): 25017984

約数和(自身を除く): 4657945

約数列:

[1, 7, 19, 49, 133, 361, 931, 1151, 2527, 8057, 17689, 21869, 56399, 153083, 415511, 1071581, 2908577, 20360039]

約数ペア:

[(1, 20360039), (7, 2908577), (19, 1071581), (49, 415511), (133, 153083), (361, 56399), (931, 21869), (1151, 17689), (2527, 8057)]