20942403

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 28417920

約数和(自身を除く): 7475517

約数列:

[1, 3, 113, 163, 339, 379, 489, 1137, 18419, 42827, 55257, 61777, 128481, 185331, 6980801, 20942403]

約数ペア:

[(1, 20942403), (3, 6980801), (113, 185331), (163, 128481), (339, 61777), (379, 55257), (489, 42827), (1137, 18419)]