20406808

素因数分解:

$2^3\times {\mathrm{1321}}^1\times {\mathrm{1931}}^1$

素因数の和:3258

約数の個数: 16

約数和(自身を含む): 38311560

約数和(自身を除く): 17904752

約数列:

[1, 2, 4, 8, 1321, 1931, 2642, 3862, 5284, 7724, 10568, 15448, 2550851, 5101702, 10203404, 20406808]

約数ペア:

[(1, 20406808), (2, 10203404), (4, 5101702), (8, 2550851), (1321, 15448), (1931, 10568), (2642, 7724), (3862, 5284)]