20628536

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69691}}^1$

素因数の和:69734

約数の個数: 16

約数和(自身を含む): 39724440

約数和(自身を除く): 19095904

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69691, 139382, 278764, 557528, 2578567, 5157134, 10314268, 20628536]

約数ペア:

[(1, 20628536), (2, 10314268), (4, 5157134), (8, 2578567), (37, 557528), (74, 278764), (148, 139382), (296, 69691)]