20455426238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1961963}}^1$

素因数の和:1962379

約数の個数: 16

約数和(自身を含む): 33125800176

約数和(自身を除く): 12670373938

約数列:

[1, 2, 13, 26, 401, 802, 5213, 10426, 1961963, 3923926, 25505519, 51011038, 786747163, 1573494326, 10227713119, 20455426238]

約数ペア:

[(1, 20455426238), (2, 10227713119), (13, 1573494326), (26, 786747163), (401, 51011038), (802, 25505519), (5213, 3923926), (10426, 1961963)]