20168963752

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{266983}}^1$

素因数の和:267086

約数の個数: 64

約数和(自身を含む): 46134835200

約数和(自身を除く): 25965871448

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 71, 76, 133, 142, 152, 266, 284, 497, 532, 568, 994, 1064, 1349, 1988, 2698, 3976, 5396, 9443, 10792, 18886, 37772, 75544, 266983, 533966, 1067932, 1868881, 2135864, 3737762, 5072677, 7475524, 10145354, 14951048, 18955793, 20290708, 35508739, 37911586, 40581416, 71017478, 75823172, 132690551, 142034956, 151646344, 265381102, 284069912, 360160067, 530762204, 720320134, 1061524408, 1440640268, 2521120469, 2881280536, 5042240938, 10084481876, 20168963752]

約数ペア:

[(1, 20168963752), (2, 10084481876), (4, 5042240938), (7, 2881280536), (8, 2521120469), (14, 1440640268), (19, 1061524408), (28, 720320134), (38, 530762204), (56, 360160067), (71, 284069912), (76, 265381102), (133, 151646344), (142, 142034956), (152, 132690551), (266, 75823172), (284, 71017478), (497, 40581416), (532, 37911586), (568, 35508739), (994, 20290708), (1064, 18955793), (1349, 14951048), (1988, 10145354), (2698, 7475524), (3976, 5072677), (5396, 3737762), (9443, 2135864), (10792, 1868881), (18886, 1067932), (37772, 533966), (75544, 266983)]