20550033

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4129}}^1$

素因数の和:4221

約数の個数: 24

約数和(自身を含む): 34361600

約数和(自身を除く): 13811567

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4129, 4977, 12387, 28903, 37161, 86709, 260127, 326191, 978573, 2283337, 2935719, 6850011, 20550033]

約数ペア:

[(1, 20550033), (3, 6850011), (7, 2935719), (9, 2283337), (21, 978573), (63, 326191), (79, 260127), (237, 86709), (553, 37161), (711, 28903), (1659, 12387), (4129, 4977)]