20390036

素因数分解:

$2^2\times {\mathrm{809}}^1\times {\mathrm{6301}}^1$

素因数の和:7114

約数の個数: 12

約数和(自身を含む): 35732340

約数和(自身を除く): 15342304

約数列:

[1, 2, 4, 809, 1618, 3236, 6301, 12602, 25204, 5097509, 10195018, 20390036]

約数ペア:

[(1, 20390036), (2, 10195018), (4, 5097509), (809, 25204), (1618, 12602), (3236, 6301)]