20360548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1259}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 18165212

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1244, 1259, 2518, 4043, 5036, 8086, 16172, 16367, 32734, 65468, 391549, 783098, 1566196, 5090137, 10180274, 20360548]

約数ペア:

[(1, 20360548), (2, 10180274), (4, 5090137), (13, 1566196), (26, 783098), (52, 391549), (311, 65468), (622, 32734), (1244, 16367), (1259, 16172), (2518, 8086), (4043, 5036)]