20953323

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{1549}}^1$

素因数の和:1728

約数の個数: 20

約数和(自身を含む): 31508400

約数和(自身を除く): 10555077

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 1549, 4509, 4647, 13527, 13941, 41823, 125469, 258683, 776049, 2328147, 6984441, 20953323]

約数ペア:

[(1, 20953323), (3, 6984441), (9, 2328147), (27, 776049), (81, 258683), (167, 125469), (501, 41823), (1503, 13941), (1549, 13527), (4509, 4647)]