20612649

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 29450880

約数和(自身を除く): 8838231

約数列:

[1, 3, 29, 47, 71, 87, 141, 213, 1363, 2059, 3337, 4089, 5041, 6177, 10011, 15123, 96773, 146189, 236927, 290319, 438567, 710781, 6870883, 20612649]

約数ペア:

[(1, 20612649), (3, 6870883), (29, 710781), (47, 438567), (71, 290319), (87, 236927), (141, 146189), (213, 96773), (1363, 15123), (2059, 10011), (3337, 6177), (4089, 5041)]