20787258

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{619}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 43300800

約数和(自身を除く): 22513542

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 193, 386, 579, 619, 1158, 1238, 1857, 3714, 5597, 11194, 16791, 17951, 33582, 35902, 53853, 107706, 119467, 238934, 358401, 716802, 3464543, 6929086, 10393629, 20787258]

約数ペア:

[(1, 20787258), (2, 10393629), (3, 6929086), (6, 3464543), (29, 716802), (58, 358401), (87, 238934), (174, 119467), (193, 107706), (386, 53853), (579, 35902), (619, 33582), (1158, 17951), (1238, 16791), (1857, 11194), (3714, 5597)]