20518323

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1847}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 32702208

約数和(自身を除く): 12183885

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1847, 3703, 5541, 11109, 12929, 38787, 42481, 127443, 297367, 892101, 977063, 2931189, 6839441, 20518323]

約数ペア:

[(1, 20518323), (3, 6839441), (7, 2931189), (21, 977063), (23, 892101), (69, 297367), (161, 127443), (483, 42481), (529, 38787), (1587, 12929), (1847, 11109), (3703, 5541)]