20104681971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{90971}}^1$

素因数の和:91203

約数の個数: 32

約数和(自身を含む): 30199792896

約数和(自身を除く): 10095110925

約数列:

[1, 3, 11, 33, 37, 111, 181, 407, 543, 1221, 1991, 5973, 6697, 20091, 73667, 90971, 221001, 272913, 1000681, 3002043, 3365927, 10097781, 16465751, 37025197, 49397253, 111075591, 181123261, 543369783, 609232787, 1827698361, 6701560657, 20104681971]

約数ペア:

[(1, 20104681971), (3, 6701560657), (11, 1827698361), (33, 609232787), (37, 543369783), (111, 181123261), (181, 111075591), (407, 49397253), (543, 37025197), (1221, 16465751), (1991, 10097781), (5973, 3365927), (6697, 3002043), (20091, 1000681), (73667, 272913), (90971, 221001)]