20416848

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13721}}^1$

素因数の和:13763

約数の個数: 40

約数和(自身を含む): 54448896

約数和(自身を除く): 34032048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13721, 27442, 41163, 54884, 82326, 109768, 164652, 219536, 329304, 425351, 658608, 850702, 1276053, 1701404, 2552106, 3402808, 5104212, 6805616, 10208424, 20416848]

約数ペア:

[(1, 20416848), (2, 10208424), (3, 6805616), (4, 5104212), (6, 3402808), (8, 2552106), (12, 1701404), (16, 1276053), (24, 850702), (31, 658608), (48, 425351), (62, 329304), (93, 219536), (124, 164652), (186, 109768), (248, 82326), (372, 54884), (496, 41163), (744, 27442), (1488, 13721)]