20161749016

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{865757}}^1$

素因数の和:865875

約数の個数: 32

約数和(自身を含む): 39270782880

約数和(自身を除く): 19109033864

約数列:

[1, 2, 4, 8, 41, 71, 82, 142, 164, 284, 328, 568, 2911, 5822, 11644, 23288, 865757, 1731514, 3463028, 6926056, 35496037, 61468747, 70992074, 122937494, 141984148, 245874988, 283968296, 491749976, 2520218627, 5040437254, 10080874508, 20161749016]

約数ペア:

[(1, 20161749016), (2, 10080874508), (4, 5040437254), (8, 2520218627), (41, 491749976), (71, 283968296), (82, 245874988), (142, 141984148), (164, 122937494), (284, 70992074), (328, 61468747), (568, 35496037), (2911, 6926056), (5822, 3463028), (11644, 1731514), (23288, 865757)]