20875372

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1459}}^1$

素因数の和:1550

約数の個数: 36

約数和(自身を含む): 43107960

約数和(自身を除く): 22232588

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 1459, 2044, 2918, 3577, 5836, 7154, 10213, 14308, 20426, 40852, 71491, 106507, 142982, 213014, 285964, 426028, 745549, 1491098, 2982196, 5218843, 10437686, 20875372]

約数ペア:

[(1, 20875372), (2, 10437686), (4, 5218843), (7, 2982196), (14, 1491098), (28, 745549), (49, 426028), (73, 285964), (98, 213014), (146, 142982), (196, 106507), (292, 71491), (511, 40852), (1022, 20426), (1459, 14308), (2044, 10213), (2918, 7154), (3577, 5836)]