20802452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1123}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 39843552

約数和(自身を除く): 19041100

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1123, 1684, 2246, 4492, 4631, 9262, 12353, 18524, 24706, 49412, 472783, 945566, 1891132, 5200613, 10401226, 20802452]

約数ペア:

[(1, 20802452), (2, 10401226), (4, 5200613), (11, 1891132), (22, 945566), (44, 472783), (421, 49412), (842, 24706), (1123, 18524), (1684, 12353), (2246, 9262), (4492, 4631)]