20824528040

素因数分解:

$2^3\times 5^1\times {\mathrm{10979}}^1\times {\mathrm{47419}}^1$

素因数の和:58409

約数の個数: 32

約数和(自身を含む): 46860444000

約数和(自身を除く): 26035915960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10979, 21958, 43916, 47419, 54895, 87832, 94838, 109790, 189676, 219580, 237095, 379352, 439160, 474190, 948380, 1896760, 520613201, 1041226402, 2082452804, 2603066005, 4164905608, 5206132010, 10412264020, 20824528040]

約数ペア:

[(1, 20824528040), (2, 10412264020), (4, 5206132010), (5, 4164905608), (8, 2603066005), (10, 2082452804), (20, 1041226402), (40, 520613201), (10979, 1896760), (21958, 948380), (43916, 474190), (47419, 439160), (54895, 379352), (87832, 237095), (94838, 219580), (109790, 189676)]