20100527977

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{701}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 21824225280

約数和(自身を除く): 1723697303

約数列:

[1, 23, 43, 79, 367, 701, 989, 1817, 3397, 8441, 15781, 16123, 28993, 30143, 55379, 78131, 257267, 362963, 666839, 693289, 1246699, 1273717, 2381297, 5917141, 11062481, 20324093, 28674077, 54769831, 254437063, 467454139, 873935999, 20100527977]

約数ペア:

[(1, 20100527977), (23, 873935999), (43, 467454139), (79, 254437063), (367, 54769831), (701, 28674077), (989, 20324093), (1817, 11062481), (3397, 5917141), (8441, 2381297), (15781, 1273717), (16123, 1246699), (28993, 693289), (30143, 666839), (55379, 362963), (78131, 257267)]