20508724292

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{68053}}^1$

素因数の和:68340

約数の個数: 48

約数和(自身を含む): 42073704960

約数和(自身を除く): 21564980668

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 229, 329, 458, 658, 916, 1316, 1603, 3206, 6412, 10763, 21526, 43052, 68053, 75341, 136106, 150682, 272212, 301364, 476371, 952742, 1905484, 3198491, 6396982, 12793964, 15584137, 22389437, 31168274, 44778874, 62336548, 89557748, 109088959, 218177918, 436355836, 732454439, 1464908878, 2929817756, 5127181073, 10254362146, 20508724292]

約数ペア:

[(1, 20508724292), (2, 10254362146), (4, 5127181073), (7, 2929817756), (14, 1464908878), (28, 732454439), (47, 436355836), (94, 218177918), (188, 109088959), (229, 89557748), (329, 62336548), (458, 44778874), (658, 31168274), (916, 22389437), (1316, 15584137), (1603, 12793964), (3206, 6396982), (6412, 3198491), (10763, 1905484), (21526, 952742), (43052, 476371), (68053, 301364), (75341, 272212), (136106, 150682)]