20397864

素因数分解:

$2^3\times 3^1\times {\mathrm{541}}^1\times {\mathrm{1571}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 51121440

約数和(自身を除く): 30723576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 541, 1082, 1571, 1623, 2164, 3142, 3246, 4328, 4713, 6284, 6492, 9426, 12568, 12984, 18852, 37704, 849911, 1699822, 2549733, 3399644, 5099466, 6799288, 10198932, 20397864]

約数ペア:

[(1, 20397864), (2, 10198932), (3, 6799288), (4, 5099466), (6, 3399644), (8, 2549733), (12, 1699822), (24, 849911), (541, 37704), (1082, 18852), (1571, 12984), (1623, 12568), (2164, 9426), (3142, 6492), (3246, 6284), (4328, 4713)]