20338929

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1327}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 31903872

約数和(自身を除く): 11564943

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1327, 1703, 3981, 5109, 11943, 15327, 17251, 51753, 155259, 173837, 521511, 1564533, 2259881, 6779643, 20338929]

約数ペア:

[(1, 20338929), (3, 6779643), (9, 2259881), (13, 1564533), (39, 521511), (117, 173837), (131, 155259), (393, 51753), (1179, 17251), (1327, 15327), (1703, 11943), (3981, 5109)]