20904670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 39172896

約数和(自身を除く): 18268226

約数列:

[1, 2, 5, 10, 41, 67, 82, 134, 205, 335, 410, 670, 761, 1522, 2747, 3805, 5494, 7610, 13735, 27470, 31201, 50987, 62402, 101974, 156005, 254935, 312010, 509870, 2090467, 4180934, 10452335, 20904670]

約数ペア:

[(1, 20904670), (2, 10452335), (5, 4180934), (10, 2090467), (41, 509870), (67, 312010), (82, 254935), (134, 156005), (205, 101974), (335, 62402), (410, 50987), (670, 31201), (761, 27470), (1522, 13735), (2747, 7610), (3805, 5494)]