20459910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681997}}^1$

素因数の和:682007

約数の個数: 16

約数和(自身を含む): 49103856

約数和(自身を除く): 28643946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681997, 1363994, 2045991, 3409985, 4091982, 6819970, 10229955, 20459910]

約数ペア:

[(1, 20459910), (2, 10229955), (3, 6819970), (5, 4091982), (6, 3409985), (10, 2045991), (15, 1363994), (30, 681997)]