20513305730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{90803}}^1$

素因数の和:90899

約数の個数: 64

約数和(自身を含む): 41188694400

約数和(自身を除く): 20675388670

約数列:

[1, 2, 5, 10, 19, 29, 38, 41, 58, 82, 95, 145, 190, 205, 290, 410, 551, 779, 1102, 1189, 1558, 2378, 2755, 3895, 5510, 5945, 7790, 11890, 22591, 45182, 90803, 112955, 181606, 225910, 454015, 908030, 1725257, 2633287, 3450514, 3722923, 5266574, 7445846, 8626285, 13166435, 17252570, 18614615, 26332870, 37229230, 50032453, 70735537, 100064906, 107964767, 141471074, 215929534, 250162265, 353677685, 500324530, 539823835, 707355370, 1079647670, 2051330573, 4102661146, 10256652865, 20513305730]

約数ペア:

[(1, 20513305730), (2, 10256652865), (5, 4102661146), (10, 2051330573), (19, 1079647670), (29, 707355370), (38, 539823835), (41, 500324530), (58, 353677685), (82, 250162265), (95, 215929534), (145, 141471074), (190, 107964767), (205, 100064906), (290, 70735537), (410, 50032453), (551, 37229230), (779, 26332870), (1102, 18614615), (1189, 17252570), (1558, 13166435), (2378, 8626285), (2755, 7445846), (3895, 5266574), (5510, 3722923), (5945, 3450514), (7790, 2633287), (11890, 1725257), (22591, 908030), (45182, 454015), (90803, 225910), (112955, 181606)]