20551977

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3877}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 32264960

約数和(自身を除く): 11712983

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3877, 5301, 11631, 34893, 73663, 120187, 220989, 360561, 662967, 1081683, 2283553, 6850659, 20551977]

約数ペア:

[(1, 20551977), (3, 6850659), (9, 2283553), (19, 1081683), (31, 662967), (57, 360561), (93, 220989), (171, 120187), (279, 73663), (589, 34893), (1767, 11631), (3877, 5301)]