20705454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14939}}^1$

素因数の和:14965

約数の個数: 48

約数和(自身を含む): 55935360

約数和(自身を除く): 35229906

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 14939, 29878, 44817, 89634, 104573, 134451, 164329, 209146, 268902, 313719, 328658, 492987, 627438, 941157, 985974, 1150303, 1478961, 1882314, 2300606, 2957922, 3450909, 6901818, 10352727, 20705454]

約数ペア:

[(1, 20705454), (2, 10352727), (3, 6901818), (6, 3450909), (7, 2957922), (9, 2300606), (11, 1882314), (14, 1478961), (18, 1150303), (21, 985974), (22, 941157), (33, 627438), (42, 492987), (63, 328658), (66, 313719), (77, 268902), (99, 209146), (126, 164329), (154, 134451), (198, 104573), (231, 89634), (462, 44817), (693, 29878), (1386, 14939)]