20197872

素因数分解:

$2^4\times 3^2\times {\mathrm{140263}}^1$

素因数の和:140277

約数の個数: 30

約数和(自身を含む): 56526392

約数和(自身を除く): 36328520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140263, 280526, 420789, 561052, 841578, 1122104, 1262367, 1683156, 2244208, 2524734, 3366312, 5049468, 6732624, 10098936, 20197872]

約数ペア:

[(1, 20197872), (2, 10098936), (3, 6732624), (4, 5049468), (6, 3366312), (8, 2524734), (9, 2244208), (12, 1683156), (16, 1262367), (18, 1122104), (24, 841578), (36, 561052), (48, 420789), (72, 280526), (144, 140263)]