20925868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4561}}^1$

素因数の和:4633

約数の個数: 24

約数和(自身を含む): 38831744

約数和(自身を除く): 17905876

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4561, 4588, 9122, 18244, 141391, 168757, 282782, 337514, 565564, 675028, 5231467, 10462934, 20925868]

約数ペア:

[(1, 20925868), (2, 10462934), (4, 5231467), (31, 675028), (37, 565564), (62, 337514), (74, 282782), (124, 168757), (148, 141391), (1147, 18244), (2294, 9122), (4561, 4588)]