20586464

素因数分解:

$2^5\times {\mathrm{487}}^1\times {\mathrm{1321}}^1$

素因数の和:1818

約数の個数: 24

約数和(自身を含む): 40643568

約数和(自身を除く): 20057104

約数列:

[1, 2, 4, 8, 16, 32, 487, 974, 1321, 1948, 2642, 3896, 5284, 7792, 10568, 15584, 21136, 42272, 643327, 1286654, 2573308, 5146616, 10293232, 20586464]

約数ペア:

[(1, 20586464), (2, 10293232), (4, 5146616), (8, 2573308), (16, 1286654), (32, 643327), (487, 42272), (974, 21136), (1321, 15584), (1948, 10568), (2642, 7792), (3896, 5284)]