20886494

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:1055

約数の個数: 16

約数和(自身を含む): 31960320

約数和(自身を除く): 11073826

約数列:

[1, 2, 79, 158, 163, 326, 811, 1622, 12877, 25754, 64069, 128138, 132193, 264386, 10443247, 20886494]

約数ペア:

[(1, 20886494), (2, 10443247), (79, 264386), (158, 132193), (163, 128138), (326, 64069), (811, 25754), (1622, 12877)]