23142820

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2221}}^1$

素因数の和:2751

約数の個数: 24

約数和(自身を含む): 48715128

約数和(自身を除く): 25572308

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2221, 2605, 4442, 5210, 8884, 10420, 11105, 22210, 44420, 1157141, 2314282, 4628564, 5785705, 11571410, 23142820]

約数ペア:

[(1, 23142820), (2, 11571410), (4, 5785705), (5, 4628564), (10, 2314282), (20, 1157141), (521, 44420), (1042, 22210), (2084, 11105), (2221, 10420), (2605, 8884), (4442, 5210)]