20091229

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 22317120

約数和(自身を除く): 2225891

約数列:

[1, 17, 29, 83, 491, 493, 1411, 2407, 8347, 14239, 40753, 40919, 242063, 692801, 1181837, 20091229]

約数ペア:

[(1, 20091229), (17, 1181837), (29, 692801), (83, 242063), (491, 40919), (493, 40753), (1411, 14239), (2407, 8347)]