20403721878

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1\times {\mathrm{1637}}^1$

素因数の和:3121

約数の個数: 64

約数和(自身を含む): 43751897280

約数和(自身を除く): 23348175402

約数列:

[1, 2, 3, 6, 17, 34, 51, 89, 102, 178, 267, 534, 1373, 1513, 1637, 2746, 3026, 3274, 4119, 4539, 4911, 8238, 9078, 9822, 23341, 27829, 46682, 55658, 70023, 83487, 122197, 140046, 145693, 166974, 244394, 291386, 366591, 437079, 733182, 874158, 2077349, 2247601, 2476781, 4154698, 4495202, 4953562, 6232047, 6742803, 7430343, 12464094, 13485606, 14860686, 38209217, 76418434, 114627651, 200036489, 229255302, 400072978, 600109467, 1200218934, 3400620313, 6801240626, 10201860939, 20403721878]

約数ペア:

[(1, 20403721878), (2, 10201860939), (3, 6801240626), (6, 3400620313), (17, 1200218934), (34, 600109467), (51, 400072978), (89, 229255302), (102, 200036489), (178, 114627651), (267, 76418434), (534, 38209217), (1373, 14860686), (1513, 13485606), (1637, 12464094), (2746, 7430343), (3026, 6742803), (3274, 6232047), (4119, 4953562), (4539, 4495202), (4911, 4154698), (8238, 2476781), (9078, 2247601), (9822, 2077349), (23341, 874158), (27829, 733182), (46682, 437079), (55658, 366591), (70023, 291386), (83487, 244394), (122197, 166974), (140046, 145693)]