20265862

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2175

約数の個数: 16

約数和(自身を含む): 31464000

約数和(自身を除く): 11198138

約数列:

[1, 2, 37, 74, 137, 274, 1999, 3998, 5069, 10138, 73963, 147926, 273863, 547726, 10132931, 20265862]

約数ペア:

[(1, 20265862), (2, 10132931), (37, 547726), (74, 273863), (137, 147926), (274, 73963), (1999, 10138), (3998, 5069)]