20110920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5779}}^1$

素因数の和:5822

約数の個数: 64

約数和(自身を含む): 62424000

約数和(自身を除く): 42313080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 5779, 11558, 17337, 23116, 28895, 34674, 46232, 57790, 69348, 86685, 115580, 138696, 167591, 173370, 231160, 335182, 346740, 502773, 670364, 693480, 837955, 1005546, 1340728, 1675910, 2011092, 2513865, 3351820, 4022184, 5027730, 6703640, 10055460, 20110920]

約数ペア:

[(1, 20110920), (2, 10055460), (3, 6703640), (4, 5027730), (5, 4022184), (6, 3351820), (8, 2513865), (10, 2011092), (12, 1675910), (15, 1340728), (20, 1005546), (24, 837955), (29, 693480), (30, 670364), (40, 502773), (58, 346740), (60, 335182), (87, 231160), (116, 173370), (120, 167591), (145, 138696), (174, 115580), (232, 86685), (290, 69348), (348, 57790), (435, 46232), (580, 34674), (696, 28895), (870, 23116), (1160, 17337), (1740, 11558), (3480, 5779)]