20613723

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{977}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 29684256

約数和(自身を除く): 9070533

約数列:

[1, 3, 13, 39, 541, 977, 1623, 2931, 7033, 12701, 21099, 38103, 528557, 1585671, 6871241, 20613723]

約数ペア:

[(1, 20613723), (3, 6871241), (13, 1585671), (39, 528557), (541, 38103), (977, 21099), (1623, 12701), (2931, 7033)]