20168634525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{291349}}^1$

素因数の和:291446

約数の個数: 48

約数和(自身を含む): 36416419200

約数和(自身を除く): 16247784675

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 923, 975, 1065, 1775, 2769, 4615, 5325, 13845, 23075, 69225, 291349, 874047, 1456745, 3787537, 4370235, 7283725, 11362611, 18937685, 20685779, 21851175, 56813055, 62057337, 94688425, 103428895, 268915127, 284065275, 310286685, 517144475, 806745381, 1344575635, 1551433425, 4033726905, 6722878175, 20168634525]

約数ペア:

[(1, 20168634525), (3, 6722878175), (5, 4033726905), (13, 1551433425), (15, 1344575635), (25, 806745381), (39, 517144475), (65, 310286685), (71, 284065275), (75, 268915127), (195, 103428895), (213, 94688425), (325, 62057337), (355, 56813055), (923, 21851175), (975, 20685779), (1065, 18937685), (1775, 11362611), (2769, 7283725), (4615, 4370235), (5325, 3787537), (13845, 1456745), (23075, 874047), (69225, 291349)]