20145561

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3911}}^1$

素因数の和:4032

約数の個数: 16

約数和(自身を含む): 28729728

約数和(自身を除く): 8584167

約数列:

[1, 3, 17, 51, 101, 303, 1717, 3911, 5151, 11733, 66487, 199461, 395011, 1185033, 6715187, 20145561]

約数ペア:

[(1, 20145561), (3, 6715187), (17, 1185033), (51, 395011), (101, 199461), (303, 66487), (1717, 11733), (3911, 5151)]