20291390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41411}}^1$

素因数の和:41432

約数の個数: 24

約数和(自身を含む): 42488712

約数和(自身を除く): 22197322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41411, 82822, 207055, 289877, 414110, 579754, 1449385, 2029139, 2898770, 4058278, 10145695, 20291390]

約数ペア:

[(1, 20291390), (2, 10145695), (5, 4058278), (7, 2898770), (10, 2029139), (14, 1449385), (35, 579754), (49, 414110), (70, 289877), (98, 207055), (245, 82822), (490, 41411)]