20619288

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{3923}}^1$

素因数の和:4008

約数の個数: 48

約数和(自身を含む): 56623320

約数和(自身を除く): 36004032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 3923, 5256, 7846, 11769, 15692, 23538, 31384, 35307, 47076, 70614, 94152, 141228, 282456, 286379, 572758, 859137, 1145516, 1718274, 2291032, 2577411, 3436548, 5154822, 6873096, 10309644, 20619288]

約数ペア:

[(1, 20619288), (2, 10309644), (3, 6873096), (4, 5154822), (6, 3436548), (8, 2577411), (9, 2291032), (12, 1718274), (18, 1145516), (24, 859137), (36, 572758), (72, 286379), (73, 282456), (146, 141228), (219, 94152), (292, 70614), (438, 47076), (584, 35307), (657, 31384), (876, 23538), (1314, 15692), (1752, 11769), (2628, 7846), (3923, 5256)]