20720724

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{28307}}^1$

素因数の和:28375

約数の個数: 24

約数和(自身を含む): 49142688

約数和(自身を除く): 28421964

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 28307, 56614, 84921, 113228, 169842, 339684, 1726727, 3453454, 5180181, 6906908, 10360362, 20720724]

約数ペア:

[(1, 20720724), (2, 10360362), (3, 6906908), (4, 5180181), (6, 3453454), (12, 1726727), (61, 339684), (122, 169842), (183, 113228), (244, 84921), (366, 56614), (732, 28307)]