12201820

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1171}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 25694928

約数和(自身を除く): 13493108

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1171, 2084, 2342, 2605, 4684, 5210, 5855, 10420, 11710, 23420, 610091, 1220182, 2440364, 3050455, 6100910, 12201820]

約数ペア:

[(1, 12201820), (2, 6100910), (4, 3050455), (5, 2440364), (10, 1220182), (20, 610091), (521, 23420), (1042, 11710), (1171, 10420), (2084, 5855), (2342, 5210), (2605, 4684)]