20922517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1667}}^1$

素因数の和:1848

約数の個数: 16

約数和(自身を含む): 26260992

約数和(自身を除く): 5338475

約数列:

[1, 7, 11, 77, 163, 1141, 1667, 1793, 11669, 12551, 18337, 128359, 271721, 1902047, 2988931, 20922517]

約数ペア:

[(1, 20922517), (7, 2988931), (11, 1902047), (77, 271721), (163, 128359), (1141, 18337), (1667, 12551), (1793, 11669)]