20223497

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 23981952

約数和(自身を除く): 3758455

約数列:

[1, 7, 37, 113, 259, 691, 791, 4181, 4837, 25567, 29267, 78083, 178969, 546581, 2889071, 20223497]

約数ペア:

[(1, 20223497), (7, 2889071), (37, 546581), (113, 178969), (259, 78083), (691, 29267), (791, 25567), (4181, 4837)]