20972278

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{1579}}^1$

素因数の和:1839

約数の個数: 16

約数和(自身を含む): 32706000

約数和(自身を除く): 11733722

約数列:

[1, 2, 29, 58, 229, 458, 1579, 3158, 6641, 13282, 45791, 91582, 361591, 723182, 10486139, 20972278]

約数ペア:

[(1, 20972278), (2, 10486139), (29, 723182), (58, 361591), (229, 91582), (458, 45791), (1579, 13282), (3158, 6641)]