20216556

素因数分解:

$2^2\times 3^2\times {\mathrm{593}}^1\times {\mathrm{947}}^1$

素因数の和:1550

約数の個数: 36

約数和(自身を含む): 51243192

約数和(自身を除く): 31026636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 593, 947, 1186, 1779, 1894, 2372, 2841, 3558, 3788, 5337, 5682, 7116, 8523, 10674, 11364, 17046, 21348, 34092, 561571, 1123142, 1684713, 2246284, 3369426, 5054139, 6738852, 10108278, 20216556]

約数ペア:

[(1, 20216556), (2, 10108278), (3, 6738852), (4, 5054139), (6, 3369426), (9, 2246284), (12, 1684713), (18, 1123142), (36, 561571), (593, 34092), (947, 21348), (1186, 17046), (1779, 11364), (1894, 10674), (2372, 8523), (2841, 7116), (3558, 5682), (3788, 5337)]