20648277

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19634

約数の個数: 20

約数和(自身を含む): 33219340

約数和(自身を除く): 12571063

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19609, 58827, 176481, 254917, 529443, 764751, 1588329, 2294253, 6882759, 20648277]

約数ペア:

[(1, 20648277), (3, 6882759), (9, 2294253), (13, 1588329), (27, 764751), (39, 529443), (81, 254917), (117, 176481), (351, 58827), (1053, 19609)]