20148995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2347}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 25865568

約数和(自身を除く): 5716573

約数列:

[1, 5, 17, 85, 101, 505, 1717, 2347, 8585, 11735, 39899, 199495, 237047, 1185235, 4029799, 20148995]

約数ペア:

[(1, 20148995), (5, 4029799), (17, 1185235), (85, 237047), (101, 199495), (505, 39899), (1717, 11735), (2347, 8585)]