20122493916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{487889}}^1$

素因数の和:488394

約数の個数: 48

約数和(自身を含む): 53769381120

約数和(自身を除く): 33646887204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 491, 982, 1473, 1964, 2946, 3437, 5892, 6874, 10311, 13748, 20622, 41244, 487889, 975778, 1463667, 1951556, 2927334, 3415223, 5854668, 6830446, 10245669, 13660892, 20491338, 40982676, 239553499, 479106998, 718660497, 958213996, 1437320994, 1676874493, 2874641988, 3353748986, 5030623479, 6707497972, 10061246958, 20122493916]

約数ペア:

[(1, 20122493916), (2, 10061246958), (3, 6707497972), (4, 5030623479), (6, 3353748986), (7, 2874641988), (12, 1676874493), (14, 1437320994), (21, 958213996), (28, 718660497), (42, 479106998), (84, 239553499), (491, 40982676), (982, 20491338), (1473, 13660892), (1964, 10245669), (2946, 6830446), (3437, 5854668), (5892, 3415223), (6874, 2927334), (10311, 1951556), (13748, 1463667), (20622, 975778), (41244, 487889)]