20474539

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 1540181

約数列:

[1, 31, 41, 89, 181, 1271, 2759, 3649, 5611, 7421, 16109, 113119, 230051, 499379, 660469, 20474539]

約数ペア:

[(1, 20474539), (31, 660469), (41, 499379), (89, 230051), (181, 113119), (1271, 16109), (2759, 7421), (3649, 5611)]