20690733

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 33464320

約数和(自身を除く): 12773587

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 859, 1147, 2577, 3441, 6013, 8029, 18039, 24087, 26629, 31783, 79887, 95349, 186403, 222481, 559209, 667443, 985273, 2955819, 6896911, 20690733]

約数ペア:

[(1, 20690733), (3, 6896911), (7, 2955819), (21, 985273), (31, 667443), (37, 559209), (93, 222481), (111, 186403), (217, 95349), (259, 79887), (651, 31783), (777, 26629), (859, 24087), (1147, 18039), (2577, 8029), (3441, 6013)]