7205620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21193}}^1$

素因数の和:21219

約数の個数: 24

約数和(自身を含む): 16022664

約数和(自身を除く): 8817044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21193, 42386, 84772, 105965, 211930, 360281, 423860, 720562, 1441124, 1801405, 3602810, 7205620]

約数ペア:

[(1, 7205620), (2, 3602810), (4, 1801405), (5, 1441124), (10, 720562), (17, 423860), (20, 360281), (34, 211930), (68, 105965), (85, 84772), (170, 42386), (340, 21193)]