20876661

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1637}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 32792760

約数和(自身を除く): 11916099

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 1637, 4251, 4911, 12753, 14733, 21281, 63843, 178433, 191529, 535299, 1605897, 2319629, 6958887, 20876661]

約数ペア:

[(1, 20876661), (3, 6958887), (9, 2319629), (13, 1605897), (39, 535299), (109, 191529), (117, 178433), (327, 63843), (981, 21281), (1417, 14733), (1637, 12753), (4251, 4911)]