20912672

素因数分解:

$2^5\times {\mathrm{11}}^3\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 45378144

約数和(自身を除く): 24465472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 491, 968, 982, 1331, 1936, 1964, 2662, 3872, 3928, 5324, 5401, 7856, 10648, 10802, 15712, 21296, 21604, 42592, 43208, 59411, 86416, 118822, 172832, 237644, 475288, 653521, 950576, 1307042, 1901152, 2614084, 5228168, 10456336, 20912672]

約数ペア:

[(1, 20912672), (2, 10456336), (4, 5228168), (8, 2614084), (11, 1901152), (16, 1307042), (22, 950576), (32, 653521), (44, 475288), (88, 237644), (121, 172832), (176, 118822), (242, 86416), (352, 59411), (484, 43208), (491, 42592), (968, 21604), (982, 21296), (1331, 15712), (1936, 10802), (1964, 10648), (2662, 7856), (3872, 5401), (3928, 5324)]