20095160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 48189600

約数和(自身を除く): 28094440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 193, 274, 380, 386, 548, 685, 760, 772, 965, 1096, 1370, 1544, 1930, 2603, 2740, 3667, 3860, 5206, 5480, 7334, 7720, 10412, 13015, 14668, 18335, 20824, 26030, 26441, 29336, 36670, 52060, 52882, 73340, 104120, 105764, 132205, 146680, 211528, 264410, 502379, 528820, 1004758, 1057640, 2009516, 2511895, 4019032, 5023790, 10047580, 20095160]

約数ペア:

[(1, 20095160), (2, 10047580), (4, 5023790), (5, 4019032), (8, 2511895), (10, 2009516), (19, 1057640), (20, 1004758), (38, 528820), (40, 502379), (76, 264410), (95, 211528), (137, 146680), (152, 132205), (190, 105764), (193, 104120), (274, 73340), (380, 52882), (386, 52060), (548, 36670), (685, 29336), (760, 26441), (772, 26030), (965, 20824), (1096, 18335), (1370, 14668), (1544, 13015), (1930, 10412), (2603, 7720), (2740, 7334), (3667, 5480), (3860, 5206)]