20622480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2963}}^1$

素因数の和:3008

約数の個数: 80

約数和(自身を含む): 66156480

約数和(自身を除く): 45534000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 2963, 3480, 5926, 6960, 8889, 11852, 14815, 17778, 23704, 29630, 35556, 44445, 47408, 59260, 71112, 85927, 88890, 118520, 142224, 171854, 177780, 237040, 257781, 343708, 355560, 429635, 515562, 687416, 711120, 859270, 1031124, 1288905, 1374832, 1718540, 2062248, 2577810, 3437080, 4124496, 5155620, 6874160, 10311240, 20622480]

約数ペア:

[(1, 20622480), (2, 10311240), (3, 6874160), (4, 5155620), (5, 4124496), (6, 3437080), (8, 2577810), (10, 2062248), (12, 1718540), (15, 1374832), (16, 1288905), (20, 1031124), (24, 859270), (29, 711120), (30, 687416), (40, 515562), (48, 429635), (58, 355560), (60, 343708), (80, 257781), (87, 237040), (116, 177780), (120, 171854), (145, 142224), (174, 118520), (232, 88890), (240, 85927), (290, 71112), (348, 59260), (435, 47408), (464, 44445), (580, 35556), (696, 29630), (870, 23704), (1160, 17778), (1392, 14815), (1740, 11852), (2320, 8889), (2963, 6960), (3480, 5926)]