20189804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{162821}}^1$

素因数の和:162856

約数の個数: 12

約数和(自身を含む): 36472128

約数和(自身を除く): 16282324

約数列:

[1, 2, 4, 31, 62, 124, 162821, 325642, 651284, 5047451, 10094902, 20189804]

約数ペア:

[(1, 20189804), (2, 10094902), (4, 5047451), (31, 651284), (62, 325642), (124, 162821)]