20577242

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2846

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 17991718

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2789, 3689, 5578, 7378, 19523, 39046, 47413, 86459, 94826, 172918, 331891, 605213, 663782, 1210426, 1469803, 2939606, 10288621, 20577242]

約数ペア:

[(1, 20577242), (2, 10288621), (7, 2939606), (14, 1469803), (17, 1210426), (31, 663782), (34, 605213), (62, 331891), (119, 172918), (217, 94826), (238, 86459), (434, 47413), (527, 39046), (1054, 19523), (2789, 7378), (3689, 5578)]