20350600

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1049}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 47848500

約数和(自身を除く): 27497900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1049, 1940, 2098, 2425, 3880, 4196, 4850, 5245, 8392, 9700, 10490, 19400, 20980, 26225, 41960, 52450, 101753, 104900, 203506, 209800, 407012, 508765, 814024, 1017530, 2035060, 2543825, 4070120, 5087650, 10175300, 20350600]

約数ペア:

[(1, 20350600), (2, 10175300), (4, 5087650), (5, 4070120), (8, 2543825), (10, 2035060), (20, 1017530), (25, 814024), (40, 508765), (50, 407012), (97, 209800), (100, 203506), (194, 104900), (200, 101753), (388, 52450), (485, 41960), (776, 26225), (970, 20980), (1049, 19400), (1940, 10490), (2098, 9700), (2425, 8392), (3880, 5245), (4196, 4850)]