20585878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6803}}^1$

素因数の和:6911

約数の個数: 16

約数和(自身を含む): 33067440

約数和(自身を除く): 12481562

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6803, 13606, 115651, 231302, 605467, 1210934, 10292939, 20585878]

約数ペア:

[(1, 20585878), (2, 10292939), (17, 1210934), (34, 605467), (89, 231302), (178, 115651), (1513, 13606), (3026, 6803)]