27864020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81953}}^1$

素因数の和:81979

約数の個数: 24

約数和(自身を含む): 61957224

約数和(自身を除く): 34093204

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81953, 163906, 327812, 409765, 819530, 1393201, 1639060, 2786402, 5572804, 6966005, 13932010, 27864020]

約数ペア:

[(1, 27864020), (2, 13932010), (4, 6966005), (5, 5572804), (10, 2786402), (17, 1639060), (20, 1393201), (34, 819530), (68, 409765), (85, 327812), (170, 163906), (340, 81953)]