22402220

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1621}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 47141808

約数和(自身を除く): 24739588

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 1621, 2764, 3242, 3455, 6484, 6910, 8105, 13820, 16210, 32420, 1120111, 2240222, 4480444, 5600555, 11201110, 22402220]

約数ペア:

[(1, 22402220), (2, 11201110), (4, 5600555), (5, 4480444), (10, 2240222), (20, 1120111), (691, 32420), (1382, 16210), (1621, 13820), (2764, 8105), (3242, 6910), (3455, 6484)]