20278354

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{3691}}^1$

素因数の和:3801

約数の個数: 16

約数和(自身を含む): 31633056

約数和(自身を除く): 11354702

約数列:

[1, 2, 41, 67, 82, 134, 2747, 3691, 5494, 7382, 151331, 247297, 302662, 494594, 10139177, 20278354]

約数ペア:

[(1, 20278354), (2, 10139177), (41, 494594), (67, 302662), (82, 247297), (134, 151331), (2747, 7382), (3691, 5494)]