20819099030

素因数分解:

$2^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4274969}}^1$

素因数の和:4275463

約数の個数: 16

約数和(自身を含む): 37551336480

約数和(自身を除く): 16732237450

約数列:

[1, 2, 5, 10, 487, 974, 2435, 4870, 4274969, 8549938, 21374845, 42749690, 2081909903, 4163819806, 10409549515, 20819099030]

約数ペア:

[(1, 20819099030), (2, 10409549515), (5, 4163819806), (10, 2081909903), (487, 42749690), (974, 21374845), (2435, 8549938), (4870, 4274969)]