20192505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 34089984

約数和(自身を除く): 13897479

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 321, 345, 535, 547, 1605, 1641, 2461, 2735, 7383, 8205, 12305, 12581, 36915, 37743, 58529, 62905, 175587, 188715, 292645, 877935, 1346167, 4038501, 6730835, 20192505]

約数ペア:

[(1, 20192505), (3, 6730835), (5, 4038501), (15, 1346167), (23, 877935), (69, 292645), (107, 188715), (115, 175587), (321, 62905), (345, 58529), (535, 37743), (547, 36915), (1605, 12581), (1641, 12305), (2461, 8205), (2735, 7383)]