20510030

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33623}}^1$

素因数の和:33691

約数の個数: 16

約数和(自身を含む): 37524384

約数和(自身を除く): 17014354

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 33623, 67246, 168115, 336230, 2051003, 4102006, 10255015, 20510030]

約数ペア:

[(1, 20510030), (2, 10255015), (5, 4102006), (10, 2051003), (61, 336230), (122, 168115), (305, 67246), (610, 33623)]