20610432885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{281621}}^1$

素因数の和:281694

約数の個数: 64

約数和(自身を含む): 40877996544

約数和(自身を除く): 20267563659

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 287, 357, 595, 615, 697, 861, 1435, 1785, 2091, 3485, 4305, 4879, 10455, 14637, 24395, 73185, 281621, 844863, 1408105, 1971347, 4224315, 4787557, 5914041, 9856735, 11546461, 14362671, 23937785, 29570205, 33512899, 34639383, 57732305, 71813355, 80825227, 100538697, 167564495, 173196915, 196289837, 242475681, 404126135, 502693485, 588869511, 981449185, 1212378405, 1374028859, 2944347555, 4122086577, 6870144295, 20610432885]

約数ペア:

[(1, 20610432885), (3, 6870144295), (5, 4122086577), (7, 2944347555), (15, 1374028859), (17, 1212378405), (21, 981449185), (35, 588869511), (41, 502693485), (51, 404126135), (85, 242475681), (105, 196289837), (119, 173196915), (123, 167564495), (205, 100538697), (255, 80825227), (287, 71813355), (357, 57732305), (595, 34639383), (615, 33512899), (697, 29570205), (861, 23937785), (1435, 14362671), (1785, 11546461), (2091, 9856735), (3485, 5914041), (4305, 4787557), (4879, 4224315), (10455, 1971347), (14637, 1408105), (24395, 844863), (73185, 281621)]