20291398

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{479}}^1$

素因数の和:899

約数の個数: 16

約数和(自身を含む): 31104000

約数和(自身を除く): 10812602

約数列:

[1, 2, 59, 118, 359, 479, 718, 958, 21181, 28261, 42362, 56522, 171961, 343922, 10145699, 20291398]

約数ペア:

[(1, 20291398), (2, 10145699), (59, 343922), (118, 171961), (359, 56522), (479, 42362), (718, 28261), (958, 21181)]