20097151215

素因数分解:

$3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4308071}}^1$

素因数の和:4308390

約数の個数: 16

約数和(自身を含む): 32258843136

約数和(自身を除く): 12161691921

約数列:

[1, 3, 5, 15, 311, 933, 1555, 4665, 4308071, 12924213, 21540355, 64621065, 1339810081, 4019430243, 6699050405, 20097151215]

約数ペア:

[(1, 20097151215), (3, 6699050405), (5, 4019430243), (15, 1339810081), (311, 64621065), (933, 21540355), (1555, 12924213), (4665, 4308071)]