20653766

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14323}}^1$

素因数の和:14435

約数の個数: 16

約数和(自身を含む): 35752704

約数和(自身を除く): 15098938

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 14323, 28646, 100261, 200522, 1475269, 2950538, 10326883, 20653766]

約数ペア:

[(1, 20653766), (2, 10326883), (7, 2950538), (14, 1475269), (103, 200522), (206, 100261), (721, 28646), (1442, 14323)]