20286715260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{96797}}^1$

素因数の和:97315

約数の個数: 96

約数和(自身を含む): 65048256000

約数和(自身を除く): 44761540740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 499, 998, 1497, 1996, 2495, 2994, 3493, 4990, 5988, 6986, 7485, 9980, 10479, 13972, 14970, 17465, 20958, 29940, 34930, 41916, 52395, 69860, 96797, 104790, 193594, 209580, 290391, 387188, 483985, 580782, 677579, 967970, 1161564, 1355158, 1451955, 1935940, 2032737, 2710316, 2903910, 3387895, 4065474, 5807820, 6775790, 8130948, 10163685, 13551580, 20327370, 40654740, 48301703, 96603406, 144905109, 193206812, 241508515, 289810218, 338111921, 483017030, 579620436, 676223842, 724525545, 966034060, 1014335763, 1352447684, 1449051090, 1690559605, 2028671526, 2898102180, 3381119210, 4057343052, 5071678815, 6762238420, 10143357630, 20286715260]

約数ペア:

[(1, 20286715260), (2, 10143357630), (3, 6762238420), (4, 5071678815), (5, 4057343052), (6, 3381119210), (7, 2898102180), (10, 2028671526), (12, 1690559605), (14, 1449051090), (15, 1352447684), (20, 1014335763), (21, 966034060), (28, 724525545), (30, 676223842), (35, 579620436), (42, 483017030), (60, 338111921), (70, 289810218), (84, 241508515), (105, 193206812), (140, 144905109), (210, 96603406), (420, 48301703), (499, 40654740), (998, 20327370), (1497, 13551580), (1996, 10163685), (2495, 8130948), (2994, 6775790), (3493, 5807820), (4990, 4065474), (5988, 3387895), (6986, 2903910), (7485, 2710316), (9980, 2032737), (10479, 1935940), (13972, 1451955), (14970, 1355158), (17465, 1161564), (20958, 967970), (29940, 677579), (34930, 580782), (41916, 483985), (52395, 387188), (69860, 290391), (96797, 209580), (104790, 193594)]