20860581

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 34172928

約数和(自身を除く): 13312347

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 823, 1207, 1491, 2469, 3621, 5761, 8449, 13991, 17283, 25347, 41973, 58433, 97937, 175299, 293811, 409031, 993361, 1227093, 2980083, 6953527, 20860581]

約数ペア:

[(1, 20860581), (3, 6953527), (7, 2980083), (17, 1227093), (21, 993361), (51, 409031), (71, 293811), (119, 175299), (213, 97937), (357, 58433), (497, 41973), (823, 25347), (1207, 17283), (1491, 13991), (2469, 8449), (3621, 5761)]