20161690790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1\times {\mathrm{54331}}^1$

素因数の和:55244

約数の個数: 32

約数和(自身を含む): 37178735616

約数和(自身を除く): 17017044826

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 863, 1726, 4315, 8630, 37109, 54331, 74218, 108662, 185545, 271655, 371090, 543310, 2336233, 4672466, 11681165, 23362330, 46887653, 93775306, 234438265, 468876530, 2016169079, 4032338158, 10080845395, 20161690790]

約数ペア:

[(1, 20161690790), (2, 10080845395), (5, 4032338158), (10, 2016169079), (43, 468876530), (86, 234438265), (215, 93775306), (430, 46887653), (863, 23362330), (1726, 11681165), (4315, 4672466), (8630, 2336233), (37109, 543310), (54331, 371090), (74218, 271655), (108662, 185545)]