20398328

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{5531}}^1$

素因数の和:5998

約数の個数: 16

約数和(自身を含む): 38336760

約数和(自身を除く): 17938432

約数列:

[1, 2, 4, 8, 461, 922, 1844, 3688, 5531, 11062, 22124, 44248, 2549791, 5099582, 10199164, 20398328]

約数ペア:

[(1, 20398328), (2, 10199164), (4, 5099582), (8, 2549791), (461, 44248), (922, 22124), (1844, 11062), (3688, 5531)]