20117590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69371}}^1$

素因数の和:69407

約数の個数: 16

約数和(自身を含む): 37460880

約数和(自身を除く): 17343290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69371, 138742, 346855, 693710, 2011759, 4023518, 10058795, 20117590]

約数ペア:

[(1, 20117590), (2, 10058795), (5, 4023518), (10, 2011759), (29, 693710), (58, 346855), (145, 138742), (290, 69371)]