20165202520

素因数分解:

$2^3\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{268297}}^1$

素因数の和:270187

約数の個数: 32

約数和(自身を含む): 45396021600

約数和(自身を除く): 25230819080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1879, 3758, 7516, 9395, 15032, 18790, 37580, 75160, 268297, 536594, 1073188, 1341485, 2146376, 2682970, 5365940, 10731880, 504130063, 1008260126, 2016520252, 2520650315, 4033040504, 5041300630, 10082601260, 20165202520]

約数ペア:

[(1, 20165202520), (2, 10082601260), (4, 5041300630), (5, 4033040504), (8, 2520650315), (10, 2016520252), (20, 1008260126), (40, 504130063), (1879, 10731880), (3758, 5365940), (7516, 2682970), (9395, 2146376), (15032, 1341485), (18790, 1073188), (37580, 536594), (75160, 268297)]