20805216406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{277751}}^1$

素因数の和:277876

約数の個数: 32

約数和(自身を含む): 34903427328

約数和(自身を除く): 14098210922

約数列:

[1, 2, 13, 26, 43, 67, 86, 134, 559, 871, 1118, 1742, 2881, 5762, 37453, 74906, 277751, 555502, 3610763, 7221526, 11943293, 18609317, 23886586, 37218634, 155262809, 241921121, 310525618, 483842242, 800200631, 1600401262, 10402608203, 20805216406]

約数ペア:

[(1, 20805216406), (2, 10402608203), (13, 1600401262), (26, 800200631), (43, 483842242), (67, 310525618), (86, 241921121), (134, 155262809), (559, 37218634), (871, 23886586), (1118, 18609317), (1742, 11943293), (2881, 7221526), (5762, 3610763), (37453, 555502), (74906, 277751)]