20888928032

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2168701}}^1$

素因数の和:2168761

約数の個数: 48

約数和(自身を含む): 48093135552

約数和(自身を除く): 27204207520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2408, 4816, 9632, 2168701, 4337402, 8674804, 15180907, 17349608, 30361814, 34699216, 60723628, 69398432, 93254143, 121447256, 186508286, 242894512, 373016572, 485789024, 652779001, 746033144, 1305558002, 1492066288, 2611116004, 2984132576, 5222232008, 10444464016, 20888928032]

約数ペア:

[(1, 20888928032), (2, 10444464016), (4, 5222232008), (7, 2984132576), (8, 2611116004), (14, 1492066288), (16, 1305558002), (28, 746033144), (32, 652779001), (43, 485789024), (56, 373016572), (86, 242894512), (112, 186508286), (172, 121447256), (224, 93254143), (301, 69398432), (344, 60723628), (602, 34699216), (688, 30361814), (1204, 17349608), (1376, 15180907), (2408, 8674804), (4816, 4337402), (9632, 2168701)]