20772792

素因数分解:

$2^3\times 3^2\times {\mathrm{263}}^1\times {\mathrm{1097}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 56525040

約数和(自身を除く): 35752248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 263, 526, 789, 1052, 1097, 1578, 2104, 2194, 2367, 3156, 3291, 4388, 4734, 6312, 6582, 8776, 9468, 9873, 13164, 18936, 19746, 26328, 39492, 78984, 288511, 577022, 865533, 1154044, 1731066, 2308088, 2596599, 3462132, 5193198, 6924264, 10386396, 20772792]

約数ペア:

[(1, 20772792), (2, 10386396), (3, 6924264), (4, 5193198), (6, 3462132), (8, 2596599), (9, 2308088), (12, 1731066), (18, 1154044), (24, 865533), (36, 577022), (72, 288511), (263, 78984), (526, 39492), (789, 26328), (1052, 19746), (1097, 18936), (1578, 13164), (2104, 9873), (2194, 9468), (2367, 8776), (3156, 6582), (3291, 6312), (4388, 4734)]