20168865563

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1\times {\mathrm{4507}}^1$

素因数の和:5267

約数の個数: 32

約数和(自身を含む): 25472724480

約数和(自身を除く): 5303858917

約数列:

[1, 7, 11, 77, 89, 623, 653, 979, 4507, 4571, 6853, 7183, 31549, 49577, 50281, 58117, 347039, 401123, 406819, 639287, 2807861, 2943071, 4412353, 4475009, 20601497, 30886471, 32373781, 226616467, 261933319, 1833533233, 2881266509, 20168865563]

約数ペア:

[(1, 20168865563), (7, 2881266509), (11, 1833533233), (77, 261933319), (89, 226616467), (623, 32373781), (653, 30886471), (979, 20601497), (4507, 4475009), (4571, 4412353), (6853, 2943071), (7183, 2807861), (31549, 639287), (49577, 406819), (50281, 401123), (58117, 347039)]