20905835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5233}}^1$

素因数の和:5302

約数の個数: 16

約数和(自身を含む): 27133056

約数和(自身を除く): 6227221

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 5233, 26165, 88961, 245951, 444805, 1229755, 4181167, 20905835]

約数ペア:

[(1, 20905835), (5, 4181167), (17, 1229755), (47, 444805), (85, 245951), (235, 88961), (799, 26165), (3995, 5233)]