20201393800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{142867}}^1$

素因数の和:142991

約数の個数: 96

約数和(自身を含む): 54209833920

約数和(自身を除く): 34008440120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 101, 140, 175, 200, 202, 280, 350, 404, 505, 700, 707, 808, 1010, 1400, 1414, 2020, 2525, 2828, 3535, 4040, 5050, 5656, 7070, 10100, 14140, 17675, 20200, 28280, 35350, 70700, 141400, 142867, 285734, 571468, 714335, 1000069, 1142936, 1428670, 2000138, 2857340, 3571675, 4000276, 5000345, 5714680, 7143350, 8000552, 10000690, 14286700, 14429567, 20001380, 25001725, 28573400, 28859134, 40002760, 50003450, 57718268, 72147835, 100006900, 101006969, 115436536, 144295670, 200013800, 202013938, 288591340, 360739175, 404027876, 505034845, 577182680, 721478350, 808055752, 1010069690, 1442956700, 2020139380, 2525174225, 2885913400, 4040278760, 5050348450, 10100696900, 20201393800]

約数ペア:

[(1, 20201393800), (2, 10100696900), (4, 5050348450), (5, 4040278760), (7, 2885913400), (8, 2525174225), (10, 2020139380), (14, 1442956700), (20, 1010069690), (25, 808055752), (28, 721478350), (35, 577182680), (40, 505034845), (50, 404027876), (56, 360739175), (70, 288591340), (100, 202013938), (101, 200013800), (140, 144295670), (175, 115436536), (200, 101006969), (202, 100006900), (280, 72147835), (350, 57718268), (404, 50003450), (505, 40002760), (700, 28859134), (707, 28573400), (808, 25001725), (1010, 20001380), (1400, 14429567), (1414, 14286700), (2020, 10000690), (2525, 8000552), (2828, 7143350), (3535, 5714680), (4040, 5000345), (5050, 4000276), (5656, 3571675), (7070, 2857340), (10100, 2000138), (14140, 1428670), (17675, 1142936), (20200, 1000069), (28280, 714335), (35350, 571468), (70700, 285734), (141400, 142867)]