20433903

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 11668497

約数列:

[1, 3, 7, 21, 79, 109, 113, 237, 327, 339, 553, 763, 791, 1659, 2289, 2373, 8611, 8927, 12317, 25833, 26781, 36951, 60277, 62489, 86219, 180831, 187467, 258657, 973043, 2919129, 6811301, 20433903]

約数ペア:

[(1, 20433903), (3, 6811301), (7, 2919129), (21, 973043), (79, 258657), (109, 187467), (113, 180831), (237, 86219), (327, 62489), (339, 60277), (553, 36951), (763, 26781), (791, 25833), (1659, 12317), (2289, 8927), (2373, 8611)]