20314360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 50375520

約数和(自身を除く): 30061160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 337, 440, 548, 674, 685, 1096, 1348, 1370, 1507, 1685, 2696, 2740, 3014, 3370, 3707, 5480, 6028, 6740, 7414, 7535, 12056, 13480, 14828, 15070, 18535, 29656, 30140, 37070, 46169, 60280, 74140, 92338, 148280, 184676, 230845, 369352, 461690, 507859, 923380, 1015718, 1846760, 2031436, 2539295, 4062872, 5078590, 10157180, 20314360]

約数ペア:

[(1, 20314360), (2, 10157180), (4, 5078590), (5, 4062872), (8, 2539295), (10, 2031436), (11, 1846760), (20, 1015718), (22, 923380), (40, 507859), (44, 461690), (55, 369352), (88, 230845), (110, 184676), (137, 148280), (220, 92338), (274, 74140), (337, 60280), (440, 46169), (548, 37070), (674, 30140), (685, 29656), (1096, 18535), (1348, 15070), (1370, 14828), (1507, 13480), (1685, 12056), (2696, 7535), (2740, 7414), (3014, 6740), (3370, 6028), (3707, 5480)]