20537037

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 32607360

約数和(自身を除く): 12070323

約数列:

[1, 3, 9, 17, 27, 51, 101, 153, 303, 443, 459, 909, 1329, 1717, 2727, 3987, 5151, 7531, 11961, 15453, 22593, 44743, 46359, 67779, 134229, 203337, 402687, 760631, 1208061, 2281893, 6845679, 20537037]

約数ペア:

[(1, 20537037), (3, 6845679), (9, 2281893), (17, 1208061), (27, 760631), (51, 402687), (101, 203337), (153, 134229), (303, 67779), (443, 46359), (459, 44743), (909, 22593), (1329, 15453), (1717, 11961), (2727, 7531), (3987, 5151)]