30720017

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2060

約数の個数: 12

約数和(自身を含む): 33192720

約数和(自身を除く): 2472703

約数列:

[1, 19, 43, 361, 817, 1979, 15523, 37601, 85097, 714419, 1616843, 30720017]

約数ペア:

[(1, 30720017), (19, 1616843), (43, 714419), (361, 85097), (817, 37601), (1979, 15523)]