20910663

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45557}}^1$

素因数の和:45583

約数の個数: 16

約数和(自身を含む): 32801760

約数和(自身を除く): 11891097

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45557, 136671, 410013, 774469, 1230039, 2323407, 6970221, 20910663]

約数ペア:

[(1, 20910663), (3, 6970221), (9, 2323407), (17, 1230039), (27, 774469), (51, 410013), (153, 136671), (459, 45557)]