20695409

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2851}}^1$

素因数の和:2936

約数の個数: 16

約数和(自身を含む): 25462656

約数和(自身を除く): 4767247

約数列:

[1, 7, 17, 61, 119, 427, 1037, 2851, 7259, 19957, 48467, 173911, 339269, 1217377, 2956487, 20695409]

約数ペア:

[(1, 20695409), (7, 2956487), (17, 1217377), (61, 339269), (119, 173911), (427, 48467), (1037, 19957), (2851, 7259)]