20512474479

素因数分解:

$3^3\times 7^1\times {\mathrm{108531611}}^1$

素因数の和:108531627

約数の個数: 16

約数和(自身を含む): 34730115840

約数和(自身を除く): 14217641361

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 108531611, 325594833, 759721277, 976784499, 2279163831, 2930353497, 6837491493, 20512474479]

約数ペア:

[(1, 20512474479), (3, 6837491493), (7, 2930353497), (9, 2279163831), (21, 976784499), (27, 759721277), (63, 325594833), (189, 108531611)]