20485617

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{827}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 8130063

約数列:

[1, 3, 23, 69, 359, 827, 1077, 2481, 8257, 19021, 24771, 57063, 296893, 890679, 6828539, 20485617]

約数ペア:

[(1, 20485617), (3, 6828539), (23, 890679), (69, 296893), (359, 57063), (827, 24771), (1077, 19021), (2481, 8257)]