204340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 455112

約数和(自身を除く): 250772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 601, 1202, 2404, 3005, 6010, 10217, 12020, 20434, 40868, 51085, 102170, 204340]

約数ペア:

[(1, 204340), (2, 102170), (4, 51085), (5, 40868), (10, 20434), (17, 12020), (20, 10217), (34, 6010), (68, 3005), (85, 2404), (170, 1202), (340, 601)]