20165247

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43933}}^1$

素因数の和:43959

約数の個数: 16

約数和(自身を含む): 31632480

約数和(自身を除く): 11467233

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43933, 131799, 395397, 746861, 1186191, 2240583, 6721749, 20165247]

約数ペア:

[(1, 20165247), (3, 6721749), (9, 2240583), (17, 1186191), (27, 746861), (51, 395397), (153, 131799), (459, 43933)]