20028153

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1451}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 27599616

約数和(自身を除く): 7571463

約数列:

[1, 3, 43, 107, 129, 321, 1451, 4353, 4601, 13803, 62393, 155257, 187179, 465771, 6676051, 20028153]

約数ペア:

[(1, 20028153), (3, 6676051), (43, 465771), (107, 187179), (129, 155257), (321, 62393), (1451, 13803), (4353, 4601)]