20294911

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2687}}^1$

素因数の和:2790

約数の個数: 16

約数和(自身を含む): 25288704

約数和(自身を除く): 4993793

約数列:

[1, 7, 13, 83, 91, 581, 1079, 2687, 7553, 18809, 34931, 223021, 244517, 1561147, 2899273, 20294911]

約数ペア:

[(1, 20294911), (7, 2899273), (13, 1561147), (83, 244517), (91, 223021), (581, 34931), (1079, 18809), (2687, 7553)]