20007495

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4079}}^1$

素因数の和:4199

約数の個数: 24

約数和(自身を含む): 35006400

約数和(自身を除く): 14998905

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4079, 4905, 12237, 20395, 36711, 61185, 183555, 444611, 1333833, 2223055, 4001499, 6669165, 20007495]

約数ペア:

[(1, 20007495), (3, 6669165), (5, 4001499), (9, 2223055), (15, 1333833), (45, 444611), (109, 183555), (327, 61185), (545, 36711), (981, 20395), (1635, 12237), (4079, 4905)]