20497941

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{701}}^1$

素因数の和:751

約数の個数: 30

約数和(自身を含む): 32362902

約数和(自身を除く): 11864961

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 361, 513, 701, 1083, 1539, 2103, 3249, 6309, 9747, 13319, 18927, 29241, 39957, 56781, 119871, 253061, 359613, 759183, 1078839, 2277549, 6832647, 20497941]

約数ペア:

[(1, 20497941), (3, 6832647), (9, 2277549), (19, 1078839), (27, 759183), (57, 359613), (81, 253061), (171, 119871), (361, 56781), (513, 39957), (701, 29241), (1083, 18927), (1539, 13319), (2103, 9747), (3249, 6309)]