20004309

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4621}}^1$

素因数の和:4677

約数の個数: 24

約数和(自身を含む): 31965752

約数和(自身を除く): 11961443

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4621, 13863, 41589, 60073, 170977, 180219, 512931, 540657, 1538793, 2222701, 6668103, 20004309]

約数ペア:

[(1, 20004309), (3, 6668103), (9, 2222701), (13, 1538793), (37, 540657), (39, 512931), (111, 180219), (117, 170977), (333, 60073), (481, 41589), (1443, 13863), (4329, 4621)]