17405620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51193}}^1$

素因数の和:51219

約数の個数: 24

約数和(自身を含む): 38702664

約数和(自身を除く): 21297044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 51193, 102386, 204772, 255965, 511930, 870281, 1023860, 1740562, 3481124, 4351405, 8702810, 17405620]

約数ペア:

[(1, 17405620), (2, 8702810), (4, 4351405), (5, 3481124), (10, 1740562), (17, 1023860), (20, 870281), (34, 511930), (68, 255965), (85, 204772), (170, 102386), (340, 51193)]