20201201271

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{113437}}^1$

素因数の和:113911

約数の個数: 24

約数和(自身を含む): 29871401664

約数和(自身を除く): 9670200393

約数列:

[1, 3, 9, 47, 141, 421, 423, 1263, 3789, 19787, 59361, 113437, 178083, 340311, 1020933, 5331539, 15994617, 47756977, 47983851, 143270931, 429812793, 2244577919, 6733733757, 20201201271]

約数ペア:

[(1, 20201201271), (3, 6733733757), (9, 2244577919), (47, 429812793), (141, 143270931), (421, 47983851), (423, 47756977), (1263, 15994617), (3789, 5331539), (19787, 1020933), (59361, 340311), (113437, 178083)]