20765330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122149}}^1$

素因数の和:122173

約数の個数: 16

約数和(自身を含む): 39576600

約数和(自身を除く): 18811270

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 122149, 244298, 610745, 1221490, 2076533, 4153066, 10382665, 20765330]

約数ペア:

[(1, 20765330), (2, 10382665), (5, 4153066), (10, 2076533), (17, 1221490), (34, 610745), (85, 244298), (170, 122149)]