20427148

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4217}}^1$

素因数の和:4401

約数の個数: 24

約数和(自身を含む): 41100192

約数和(自身を除く): 20673044

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4217, 4844, 8434, 16868, 29519, 59038, 118076, 729541, 1459082, 2918164, 5106787, 10213574, 20427148]

約数ペア:

[(1, 20427148), (2, 10213574), (4, 5106787), (7, 2918164), (14, 1459082), (28, 729541), (173, 118076), (346, 59038), (692, 29519), (1211, 16868), (2422, 8434), (4217, 4844)]