20560657

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 23070208

約数和(自身を除く): 2509551

約数列:

[1, 13, 31, 163, 313, 403, 2119, 4069, 5053, 9703, 51019, 65689, 126139, 663247, 1581589, 20560657]

約数ペア:

[(1, 20560657), (13, 1581589), (31, 663247), (163, 126139), (313, 65689), (403, 51019), (2119, 9703), (4069, 5053)]