20565643970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{23027}}^1$

素因数の和:23175

約数の個数: 64

約数和(自身を含む): 39686270976

約数和(自身を除く): 19120627006

約数列:

[1, 2, 5, 10, 31, 43, 62, 67, 86, 134, 155, 215, 310, 335, 430, 670, 1333, 2077, 2666, 2881, 4154, 5762, 6665, 10385, 13330, 14405, 20770, 23027, 28810, 46054, 89311, 115135, 178622, 230270, 446555, 713837, 893110, 990161, 1427674, 1542809, 1980322, 3085618, 3569185, 4950805, 7138370, 7714045, 9901610, 15428090, 30694991, 47827079, 61389982, 66340787, 95654158, 132681574, 153474955, 239135395, 306949910, 331703935, 478270790, 663407870, 2056564397, 4113128794, 10282821985, 20565643970]

約数ペア:

[(1, 20565643970), (2, 10282821985), (5, 4113128794), (10, 2056564397), (31, 663407870), (43, 478270790), (62, 331703935), (67, 306949910), (86, 239135395), (134, 153474955), (155, 132681574), (215, 95654158), (310, 66340787), (335, 61389982), (430, 47827079), (670, 30694991), (1333, 15428090), (2077, 9901610), (2666, 7714045), (2881, 7138370), (4154, 4950805), (5762, 3569185), (6665, 3085618), (10385, 1980322), (13330, 1542809), (14405, 1427674), (20770, 990161), (23027, 893110), (28810, 713837), (46054, 446555), (89311, 230270), (115135, 178622)]