20572888

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9929}}^1$

素因数の和:9979

約数の個数: 32

約数和(自身を含む): 45280800

約数和(自身を除く): 24707912

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9929, 19858, 39716, 69503, 79432, 139006, 278012, 367373, 556024, 734746, 1469492, 2571611, 2938984, 5143222, 10286444, 20572888]

約数ペア:

[(1, 20572888), (2, 10286444), (4, 5143222), (7, 2938984), (8, 2571611), (14, 1469492), (28, 734746), (37, 556024), (56, 367373), (74, 278012), (148, 139006), (259, 79432), (296, 69503), (518, 39716), (1036, 19858), (2072, 9929)]