20161799

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 3477241

約数列:

[1, 7, 71, 113, 359, 497, 791, 2513, 8023, 25489, 40567, 56161, 178423, 283969, 2880257, 20161799]

約数ペア:

[(1, 20161799), (7, 2880257), (71, 283969), (113, 178423), (359, 56161), (497, 40567), (791, 25489), (2513, 8023)]