20289909500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5797117}}^1$

素因数の和:5797143

約数の個数: 48

約数和(自身を含む): 50643622848

約数和(自身を除く): 30353713348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5797117, 11594234, 23188468, 28985585, 40579819, 57971170, 81159638, 115942340, 144927925, 162319276, 202899095, 289855850, 405798190, 579711700, 724639625, 811596380, 1014495475, 1449279250, 2028990950, 2898558500, 4057981900, 5072477375, 10144954750, 20289909500]

約数ペア:

[(1, 20289909500), (2, 10144954750), (4, 5072477375), (5, 4057981900), (7, 2898558500), (10, 2028990950), (14, 1449279250), (20, 1014495475), (25, 811596380), (28, 724639625), (35, 579711700), (50, 405798190), (70, 289855850), (100, 202899095), (125, 162319276), (140, 144927925), (175, 115942340), (250, 81159638), (350, 57971170), (500, 40579819), (700, 28985585), (875, 23188468), (1750, 11594234), (3500, 5797117)]