20456397

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6029}}^1$

素因数の和:6077

約数の個数: 24

約数和(自身を含む): 32923800

約数和(自身を除く): 12467403

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6029, 18087, 54261, 78377, 174841, 235131, 524523, 705393, 1573569, 2272933, 6818799, 20456397]

約数ペア:

[(1, 20456397), (3, 6818799), (9, 2272933), (13, 1573569), (29, 705393), (39, 524523), (87, 235131), (117, 174841), (261, 78377), (377, 54261), (1131, 18087), (3393, 6029)]