20121653877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11998601}}^1$

素因数の和:11998660

約数の個数: 16

約数和(自身を含む): 29564555328

約数和(自身を除く): 9442901451

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11998601, 35995803, 155981813, 467945439, 515939843, 1547819529, 6707217959, 20121653877]

約数ペア:

[(1, 20121653877), (3, 6707217959), (13, 1547819529), (39, 515939843), (43, 467945439), (129, 155981813), (559, 35995803), (1677, 11998601)]