20658999

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 28044000

約数和(自身を除く): 7385001

約数列:

[1, 3, 113, 149, 339, 409, 447, 1227, 16837, 46217, 50511, 60941, 138651, 182823, 6886333, 20658999]

約数ペア:

[(1, 20658999), (3, 6886333), (113, 182823), (149, 138651), (339, 60941), (409, 50511), (447, 46217), (1227, 16837)]