20856331323

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3170137}}^1$

素因数の和:3170203

約数の個数: 24

約数和(自身を含む): 32639740848

約数和(自身を除く): 11783409525

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 3170137, 9510411, 28531233, 53892329, 136315891, 161676987, 408947673, 485030961, 1226843019, 2317370147, 6952110441, 20856331323]

約数ペア:

[(1, 20856331323), (3, 6952110441), (9, 2317370147), (17, 1226843019), (43, 485030961), (51, 408947673), (129, 161676987), (153, 136315891), (387, 53892329), (731, 28531233), (2193, 9510411), (6579, 3170137)]