2020346860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{20071}}^1$

素因数の和:20806

約数の個数: 48

約数和(自身を含む): 4855818240

約数和(自身を除く): 2835471380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 719, 1438, 2876, 3595, 5033, 7190, 10066, 14380, 20071, 20132, 25165, 40142, 50330, 80284, 100355, 100660, 140497, 200710, 280994, 401420, 561988, 702485, 1404970, 2809940, 14431049, 28862098, 57724196, 72155245, 101017343, 144310490, 202034686, 288620980, 404069372, 505086715, 1010173430, 2020346860]

約数ペア:

[(1, 2020346860), (2, 1010173430), (4, 505086715), (5, 404069372), (7, 288620980), (10, 202034686), (14, 144310490), (20, 101017343), (28, 72155245), (35, 57724196), (70, 28862098), (140, 14431049), (719, 2809940), (1438, 1404970), (2876, 702485), (3595, 561988), (5033, 401420), (7190, 280994), (10066, 200710), (14380, 140497), (20071, 100660), (20132, 100355), (25165, 80284), (40142, 50330)]