20921995496

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{6217}}^1\times {\mathrm{7937}}^1$

素因数の和:14213

約数の個数: 32

約数和(自身を含む): 39980372040

約数和(自身を除く): 19058376544

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 6217, 7937, 12434, 15874, 24868, 31748, 49736, 63496, 329501, 420661, 659002, 841322, 1318004, 1682644, 2636008, 3365288, 49344329, 98688658, 197377316, 394754632, 2615249437, 5230498874, 10460997748, 20921995496]

約数ペア:

[(1, 20921995496), (2, 10460997748), (4, 5230498874), (8, 2615249437), (53, 394754632), (106, 197377316), (212, 98688658), (424, 49344329), (6217, 3365288), (7937, 2636008), (12434, 1682644), (15874, 1318004), (24868, 841322), (31748, 659002), (49736, 420661), (63496, 329501)]