20405770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26501}}^1$

素因数の和:26526

約数の個数: 32

約数和(自身を含む): 45795456

約数和(自身を除く): 25389686

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26501, 53002, 132505, 185507, 265010, 291511, 371014, 583022, 927535, 1457555, 1855070, 2040577, 2915110, 4081154, 10202885, 20405770]

約数ペア:

[(1, 20405770), (2, 10202885), (5, 4081154), (7, 2915110), (10, 2040577), (11, 1855070), (14, 1457555), (22, 927535), (35, 583022), (55, 371014), (70, 291511), (77, 265010), (110, 185507), (154, 132505), (385, 53002), (770, 26501)]