20208872

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 39294720

約数和(自身を除く): 19085848

約数列:

[1, 2, 4, 8, 47, 71, 94, 142, 188, 284, 376, 568, 757, 1514, 3028, 3337, 6056, 6674, 13348, 26696, 35579, 53747, 71158, 107494, 142316, 214988, 284632, 429976, 2526109, 5052218, 10104436, 20208872]

約数ペア:

[(1, 20208872), (2, 10104436), (4, 5052218), (8, 2526109), (47, 429976), (71, 284632), (94, 214988), (142, 142316), (188, 107494), (284, 71158), (376, 53747), (568, 35579), (757, 26696), (1514, 13348), (3028, 6674), (3337, 6056)]