20995578

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{22871}}^1$

素因数の和:22899

約数の個数: 32

約数和(自身を含む): 49403520

約数和(自身を除く): 28407942

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 22871, 45742, 68613, 137226, 205839, 388807, 411678, 617517, 777614, 1166421, 1235034, 2332842, 3499263, 6998526, 10497789, 20995578]

約数ペア:

[(1, 20995578), (2, 10497789), (3, 6998526), (6, 3499263), (9, 2332842), (17, 1235034), (18, 1166421), (27, 777614), (34, 617517), (51, 411678), (54, 388807), (102, 205839), (153, 137226), (306, 68613), (459, 45742), (918, 22871)]