20492080215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31770667}}^1$

素因数の和:31770718

約数の個数: 16

約数和(自身を含む): 33549825408

約数和(自身を除く): 13057745193

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31770667, 95312001, 158853335, 476560005, 1366138681, 4098416043, 6830693405, 20492080215]

約数ペア:

[(1, 20492080215), (3, 6830693405), (5, 4098416043), (15, 1366138681), (43, 476560005), (129, 158853335), (215, 95312001), (645, 31770667)]