20485329

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 28089600

約数和(自身を除く): 7604271

約数列:

[1, 3, 43, 129, 379, 419, 1137, 1257, 16297, 18017, 48891, 54051, 158801, 476403, 6828443, 20485329]

約数ペア:

[(1, 20485329), (3, 6828443), (43, 476403), (129, 158801), (379, 54051), (419, 48891), (1137, 18017), (1257, 16297)]