20495839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2851}}^1$

素因数の和:2950

約数の個数: 16

約数和(自身を含む): 25553920

約数和(自身を除く): 5058081

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2851, 7189, 19957, 37063, 225229, 259441, 1576603, 2927977, 20495839]

約数ペア:

[(1, 20495839), (7, 2927977), (13, 1576603), (79, 259441), (91, 225229), (553, 37063), (1027, 19957), (2851, 7189)]