22257860

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1123}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 46830336

約数和(自身を除く): 24572476

約数列:

[1, 2, 4, 5, 10, 20, 991, 1123, 1982, 2246, 3964, 4492, 4955, 5615, 9910, 11230, 19820, 22460, 1112893, 2225786, 4451572, 5564465, 11128930, 22257860]

約数ペア:

[(1, 22257860), (2, 11128930), (4, 5564465), (5, 4451572), (10, 2225786), (20, 1112893), (991, 22460), (1123, 19820), (1982, 11230), (2246, 9910), (3964, 5615), (4492, 4955)]