20457558

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 48658896

約数和(自身を除く): 28201338

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 277, 373, 554, 746, 831, 1119, 1662, 2238, 2493, 3047, 3357, 4103, 4986, 6094, 6714, 8206, 9141, 12309, 18282, 24618, 27423, 36927, 54846, 73854, 103321, 206642, 309963, 619926, 929889, 1136531, 1859778, 2273062, 3409593, 6819186, 10228779, 20457558]

約数ペア:

[(1, 20457558), (2, 10228779), (3, 6819186), (6, 3409593), (9, 2273062), (11, 1859778), (18, 1136531), (22, 929889), (33, 619926), (66, 309963), (99, 206642), (198, 103321), (277, 73854), (373, 54846), (554, 36927), (746, 27423), (831, 24618), (1119, 18282), (1662, 12309), (2238, 9141), (2493, 8206), (3047, 6714), (3357, 6094), (4103, 4986)]