20700427

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 23403744

約数和(自身を除く): 2703317

約数列:

[1, 11, 37, 181, 281, 407, 1991, 3091, 6697, 10397, 50861, 73667, 114367, 559471, 1881857, 20700427]

約数ペア:

[(1, 20700427), (11, 1881857), (37, 559471), (181, 114367), (281, 73667), (407, 50861), (1991, 10397), (3091, 6697)]