15920744

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2657}}^1$

素因数の和:2777

約数の個数: 32

約数和(自身を含む): 34447680

約数和(自身を除く): 18526936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2657, 2996, 5314, 5992, 10628, 18599, 21256, 37198, 74396, 148792, 284299, 568598, 1137196, 1990093, 2274392, 3980186, 7960372, 15920744]

約数ペア:

[(1, 15920744), (2, 7960372), (4, 3980186), (7, 2274392), (8, 1990093), (14, 1137196), (28, 568598), (56, 284299), (107, 148792), (214, 74396), (428, 37198), (749, 21256), (856, 18599), (1498, 10628), (2657, 5992), (2996, 5314)]