20159399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4801}}^1$

素因数の和:4850

約数の個数: 16

約数和(自身を含む): 24202080

約数和(自身を除く): 4042681

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4801, 62413, 81617, 91219, 1061021, 1185847, 1550723, 20159399]

約数ペア:

[(1, 20159399), (13, 1550723), (17, 1185847), (19, 1061021), (221, 91219), (247, 81617), (323, 62413), (4199, 4801)]