19904620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58543}}^1$

素因数の和:58569

約数の個数: 24

約数和(自身を含む): 44259264

約数和(自身を除く): 24354644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58543, 117086, 234172, 292715, 585430, 995231, 1170860, 1990462, 3980924, 4976155, 9952310, 19904620]

約数ペア:

[(1, 19904620), (2, 9952310), (4, 4976155), (5, 3980924), (10, 1990462), (17, 1170860), (20, 995231), (34, 585430), (68, 292715), (85, 234172), (170, 117086), (340, 58543)]