20161609888

素因数分解:

$2^5\times 7^1\times {\mathrm{1747}}^1\times {\mathrm{51521}}^1$

素因数の和:53285

約数の個数: 48

約数和(自身を含む): 45390469824

約数和(自身を除く): 25228859936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1747, 3494, 6988, 12229, 13976, 24458, 27952, 48916, 51521, 55904, 97832, 103042, 195664, 206084, 360647, 391328, 412168, 721294, 824336, 1442588, 1648672, 2885176, 5770352, 11540704, 90007187, 180014374, 360028748, 630050309, 720057496, 1260100618, 1440114992, 2520201236, 2880229984, 5040402472, 10080804944, 20161609888]

約数ペア:

[(1, 20161609888), (2, 10080804944), (4, 5040402472), (7, 2880229984), (8, 2520201236), (14, 1440114992), (16, 1260100618), (28, 720057496), (32, 630050309), (56, 360028748), (112, 180014374), (224, 90007187), (1747, 11540704), (3494, 5770352), (6988, 2885176), (12229, 1648672), (13976, 1442588), (24458, 824336), (27952, 721294), (48916, 412168), (51521, 391328), (55904, 360647), (97832, 206084), (103042, 195664)]