20052347

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 23522304

約数和(自身を除く): 3469957

約数列:

[1, 7, 61, 151, 311, 427, 1057, 2177, 9211, 18971, 46961, 64477, 132797, 328727, 2864621, 20052347]

約数ペア:

[(1, 20052347), (7, 2864621), (61, 328727), (151, 132797), (311, 64477), (427, 46961), (1057, 18971), (2177, 9211)]