20512116872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197231893}}^1$

素因数の和:197231912

約数の個数: 16

約数和(自身を含む): 41418697740

約数和(自身を除く): 20906580868

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197231893, 394463786, 788927572, 1577855144, 2564014609, 5128029218, 10256058436, 20512116872]

約数ペア:

[(1, 20512116872), (2, 10256058436), (4, 5128029218), (8, 2564014609), (13, 1577855144), (26, 788927572), (52, 394463786), (104, 197231893)]