20009787400

素因数分解:

$2^3\times 5^2\times {\mathrm{2393}}^1\times {\mathrm{41809}}^1$

素因数の和:44218

約数の個数: 48

約数和(自身を含む): 46543310100

約数和(自身を除く): 26533522700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 2393, 4786, 9572, 11965, 19144, 23930, 41809, 47860, 59825, 83618, 95720, 119650, 167236, 209045, 239300, 334472, 418090, 478600, 836180, 1045225, 1672360, 2090450, 4180900, 8361800, 100048937, 200097874, 400195748, 500244685, 800391496, 1000489370, 2000978740, 2501223425, 4001957480, 5002446850, 10004893700, 20009787400]

約数ペア:

[(1, 20009787400), (2, 10004893700), (4, 5002446850), (5, 4001957480), (8, 2501223425), (10, 2000978740), (20, 1000489370), (25, 800391496), (40, 500244685), (50, 400195748), (100, 200097874), (200, 100048937), (2393, 8361800), (4786, 4180900), (9572, 2090450), (11965, 1672360), (19144, 1045225), (23930, 836180), (41809, 478600), (47860, 418090), (59825, 334472), (83618, 239300), (95720, 209045), (119650, 167236)]