20161668

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 49363776

約数和(自身を除く): 29202108

約数列:

[1, 2, 3, 4, 6, 12, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 492, 516, 953, 1763, 1906, 2859, 3526, 3812, 5289, 5718, 7052, 10578, 11436, 21156, 39073, 40979, 78146, 81958, 117219, 122937, 156292, 163916, 234438, 245874, 468876, 491748, 1680139, 3360278, 5040417, 6720556, 10080834, 20161668]

約数ペア:

[(1, 20161668), (2, 10080834), (3, 6720556), (4, 5040417), (6, 3360278), (12, 1680139), (41, 491748), (43, 468876), (82, 245874), (86, 234438), (123, 163916), (129, 156292), (164, 122937), (172, 117219), (246, 81958), (258, 78146), (492, 40979), (516, 39073), (953, 21156), (1763, 11436), (1906, 10578), (2859, 7052), (3526, 5718), (3812, 5289)]