20717214

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4789}}^1$

素因数の和:4904

約数の個数: 32

約数和(自身を含む): 47823360

約数和(自身を除く): 27106146

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4789, 9578, 14367, 28734, 33523, 67046, 100569, 201138, 493267, 986534, 1479801, 2959602, 3452869, 6905738, 10358607, 20717214]

約数ペア:

[(1, 20717214), (2, 10358607), (3, 6905738), (6, 3452869), (7, 2959602), (14, 1479801), (21, 986534), (42, 493267), (103, 201138), (206, 100569), (309, 67046), (618, 33523), (721, 28734), (1442, 14367), (2163, 9578), (4326, 4789)]