20005479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1049}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 31340400

約数和(自身を除く): 11334921

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 1049, 1467, 2119, 3147, 6357, 9441, 13637, 19071, 40911, 122733, 170987, 512961, 1538883, 2222831, 6668493, 20005479]

約数ペア:

[(1, 20005479), (3, 6668493), (9, 2222831), (13, 1538883), (39, 512961), (117, 170987), (163, 122733), (489, 40911), (1049, 19071), (1467, 13637), (2119, 9441), (3147, 6357)]