20191216

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 40466160

約数和(自身を除く): 20274944

約数列:

[1, 2, 4, 8, 16, 59, 73, 118, 146, 236, 292, 293, 472, 584, 586, 944, 1168, 1172, 2344, 4307, 4688, 8614, 17228, 17287, 21389, 34456, 34574, 42778, 68912, 69148, 85556, 138296, 171112, 276592, 342224, 1261951, 2523902, 5047804, 10095608, 20191216]

約数ペア:

[(1, 20191216), (2, 10095608), (4, 5047804), (8, 2523902), (16, 1261951), (59, 342224), (73, 276592), (118, 171112), (146, 138296), (236, 85556), (292, 69148), (293, 68912), (472, 42778), (584, 34574), (586, 34456), (944, 21389), (1168, 17287), (1172, 17228), (2344, 8614), (4307, 4688)]