20068818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{359}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 50595840

約数和(自身を除く): 30527022

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 359, 363, 462, 718, 726, 847, 1077, 1331, 1694, 2154, 2513, 2541, 2662, 3949, 3993, 5026, 5082, 7539, 7898, 7986, 9317, 11847, 15078, 18634, 23694, 27643, 27951, 43439, 55286, 55902, 82929, 86878, 130317, 165858, 260634, 304073, 477829, 608146, 912219, 955658, 1433487, 1824438, 2866974, 3344803, 6689606, 10034409, 20068818]

約数ペア:

[(1, 20068818), (2, 10034409), (3, 6689606), (6, 3344803), (7, 2866974), (11, 1824438), (14, 1433487), (21, 955658), (22, 912219), (33, 608146), (42, 477829), (66, 304073), (77, 260634), (121, 165858), (154, 130317), (231, 86878), (242, 82929), (359, 55902), (363, 55286), (462, 43439), (718, 27951), (726, 27643), (847, 23694), (1077, 18634), (1331, 15078), (1694, 11847), (2154, 9317), (2513, 7986), (2541, 7898), (2662, 7539), (3949, 5082), (3993, 5026)]