20416440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15467}}^1$

素因数の和:15492

約数の個数: 64

約数和(自身を含む): 66821760

約数和(自身を除く): 46405320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15467, 30934, 46401, 61868, 77335, 92802, 123736, 154670, 170137, 185604, 232005, 309340, 340274, 371208, 464010, 510411, 618680, 680548, 850685, 928020, 1020822, 1361096, 1701370, 1856040, 2041644, 2552055, 3402740, 4083288, 5104110, 6805480, 10208220, 20416440]

約数ペア:

[(1, 20416440), (2, 10208220), (3, 6805480), (4, 5104110), (5, 4083288), (6, 3402740), (8, 2552055), (10, 2041644), (11, 1856040), (12, 1701370), (15, 1361096), (20, 1020822), (22, 928020), (24, 850685), (30, 680548), (33, 618680), (40, 510411), (44, 464010), (55, 371208), (60, 340274), (66, 309340), (88, 232005), (110, 185604), (120, 170137), (132, 154670), (165, 123736), (220, 92802), (264, 77335), (330, 61868), (440, 46401), (660, 30934), (1320, 15467)]