20171809905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{773}}^1\times {\mathrm{821}}^1$

素因数の和:1778

約数の個数: 64

約数和(自身を含む): 35058707712

約数和(自身を除く): 14886897807

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 773, 815, 821, 2119, 2319, 2445, 2463, 3865, 4105, 6357, 10049, 10595, 10673, 11595, 12315, 30147, 31785, 32019, 50245, 53365, 125999, 133823, 150735, 160095, 377997, 401469, 629995, 634633, 669115, 1637987, 1739699, 1889985, 1903899, 2007345, 3173165, 4913961, 5219097, 8189935, 8250229, 8698495, 9519495, 24569805, 24750687, 26095485, 41251145, 103445179, 123753435, 310335537, 517225895, 1344787327, 1551677685, 4034361981, 6723936635, 20171809905]

約数ペア:

[(1, 20171809905), (3, 6723936635), (5, 4034361981), (13, 1551677685), (15, 1344787327), (39, 517225895), (65, 310335537), (163, 123753435), (195, 103445179), (489, 41251145), (773, 26095485), (815, 24750687), (821, 24569805), (2119, 9519495), (2319, 8698495), (2445, 8250229), (2463, 8189935), (3865, 5219097), (4105, 4913961), (6357, 3173165), (10049, 2007345), (10595, 1903899), (10673, 1889985), (11595, 1739699), (12315, 1637987), (30147, 669115), (31785, 634633), (32019, 629995), (50245, 401469), (53365, 377997), (125999, 160095), (133823, 150735)]