20525103

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 32598720

約数和(自身を除く): 12073617

約数列:

[1, 3, 9, 17, 27, 51, 97, 153, 291, 459, 461, 873, 1383, 1649, 2619, 4149, 4947, 7837, 12447, 14841, 23511, 44523, 44717, 70533, 134151, 211599, 402453, 760189, 1207359, 2280567, 6841701, 20525103]

約数ペア:

[(1, 20525103), (3, 6841701), (9, 2280567), (17, 1207359), (27, 760189), (51, 402453), (97, 211599), (153, 134151), (291, 70533), (459, 44717), (461, 44523), (873, 23511), (1383, 14841), (1649, 12447), (2619, 7837), (4149, 4947)]