20157367580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8647}}^1\times {\mathrm{16651}}^1$

素因数の和:25314

約数の個数: 48

約数和(自身を含む): 48386182656

約数和(自身を除く): 28228815076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8647, 16651, 17294, 33302, 34588, 43235, 60529, 66604, 83255, 86470, 116557, 121058, 166510, 172940, 233114, 242116, 302645, 333020, 466228, 582785, 605290, 1165570, 1210580, 2331140, 143981197, 287962394, 575924788, 719905985, 1007868379, 1439811970, 2015736758, 2879623940, 4031473516, 5039341895, 10078683790, 20157367580]

約数ペア:

[(1, 20157367580), (2, 10078683790), (4, 5039341895), (5, 4031473516), (7, 2879623940), (10, 2015736758), (14, 1439811970), (20, 1007868379), (28, 719905985), (35, 575924788), (70, 287962394), (140, 143981197), (8647, 2331140), (16651, 1210580), (17294, 1165570), (33302, 605290), (34588, 582785), (43235, 466228), (60529, 333020), (66604, 302645), (83255, 242116), (86470, 233114), (116557, 172940), (121058, 166510)]