20297673

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 32126016

約数和(自身を除く): 11828343

約数列:

[1, 3, 9, 11, 33, 99, 421, 487, 1263, 1461, 3789, 4383, 4631, 5357, 13893, 16071, 41679, 48213, 205027, 615081, 1845243, 2255297, 6765891, 20297673]

約数ペア:

[(1, 20297673), (3, 6765891), (9, 2255297), (11, 1845243), (33, 615081), (99, 205027), (421, 48213), (487, 41679), (1263, 16071), (1461, 13893), (3789, 5357), (4383, 4631)]