20466790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49919}}^1$

素因数の和:49967

約数の個数: 16

約数和(自身を含む): 37739520

約数和(自身を除く): 17272730

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49919, 99838, 249595, 499190, 2046679, 4093358, 10233395, 20466790]

約数ペア:

[(1, 20466790), (2, 10233395), (5, 4093358), (10, 2046679), (41, 499190), (82, 249595), (205, 99838), (410, 49919)]