200819980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{590647}}^1$

素因数の和:590673

約数の個数: 24

約数和(自身を含む): 446529888

約数和(自身を除く): 245709908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 590647, 1181294, 2362588, 2953235, 5906470, 10040999, 11812940, 20081998, 40163996, 50204995, 100409990, 200819980]

約数ペア:

[(1, 200819980), (2, 100409990), (4, 50204995), (5, 40163996), (10, 20081998), (17, 11812940), (20, 10040999), (34, 5906470), (68, 2953235), (85, 2362588), (170, 1181294), (340, 590647)]