20530287

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{4201}}^1$

素因数の和:4391

約数の個数: 16

約数和(自身を含む): 30590560

約数和(自身を除く): 10060273

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4201, 4887, 12603, 37809, 113427, 760381, 2281143, 6843429, 20530287]

約数ペア:

[(1, 20530287), (3, 6843429), (9, 2281143), (27, 760381), (181, 113427), (543, 37809), (1629, 12603), (4201, 4887)]