20456728

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{48247}}^1$

素因数の和:48306

約数の個数: 16

約数和(自身を含む): 39080880

約数和(自身を除く): 18624152

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 48247, 96494, 192988, 385976, 2557091, 5114182, 10228364, 20456728]

約数ペア:

[(1, 20456728), (2, 10228364), (4, 5114182), (8, 2557091), (53, 385976), (106, 192988), (212, 96494), (424, 48247)]