20988302

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19913}}^1$

素因数の和:19963

約数の個数: 16

約数和(自身を含む): 34411392

約数和(自身を除く): 13423090

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 19913, 39826, 338521, 617303, 677042, 1234606, 10494151, 20988302]

約数ペア:

[(1, 20988302), (2, 10494151), (17, 1234606), (31, 677042), (34, 617303), (62, 338521), (527, 39826), (1054, 19913)]