320672020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{943153}}^1$

素因数の和:943179

約数の個数: 24

約数和(自身を含む): 713024424

約数和(自身を除く): 392352404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 943153, 1886306, 3772612, 4715765, 9431530, 16033601, 18863060, 32067202, 64134404, 80168005, 160336010, 320672020]

約数ペア:

[(1, 320672020), (2, 160336010), (4, 80168005), (5, 64134404), (10, 32067202), (17, 18863060), (20, 16033601), (34, 9431530), (68, 4715765), (85, 3772612), (170, 1886306), (340, 943153)]