20204883

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5801}}^1$

素因数の和:5856

約数の個数: 20

約数和(自身を含む): 30889848

約数和(自身を除く): 10684965

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5801, 17403, 52209, 156627, 249443, 469881, 748329, 2244987, 6734961, 20204883]

約数ペア:

[(1, 20204883), (3, 6734961), (9, 2244987), (27, 748329), (43, 469881), (81, 249443), (129, 156627), (387, 52209), (1161, 17403), (3483, 5801)]