20499969

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42443}}^1$

素因数の和:42476

約数の個数: 16

約数和(自身を含む): 32596992

約数和(自身を除く): 12097023

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42443, 127329, 297101, 891303, 976189, 2928567, 6833323, 20499969]

約数ペア:

[(1, 20499969), (3, 6833323), (7, 2928567), (21, 976189), (23, 891303), (69, 297101), (161, 127329), (483, 42443)]