20485439

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 23395680

約数和(自身を除く): 2910241

約数列:

[1, 13, 19, 197, 247, 421, 2561, 3743, 5473, 7999, 48659, 82937, 103987, 1078181, 1575803, 20485439]

約数ペア:

[(1, 20485439), (13, 1575803), (19, 1078181), (197, 103987), (247, 82937), (421, 48659), (2561, 7999), (3743, 5473)]