19785620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58193}}^1$

素因数の和:58219

約数の個数: 24

約数和(自身を含む): 43994664

約数和(自身を除く): 24209044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58193, 116386, 232772, 290965, 581930, 989281, 1163860, 1978562, 3957124, 4946405, 9892810, 19785620]

約数ペア:

[(1, 19785620), (2, 9892810), (4, 4946405), (5, 3957124), (10, 1978562), (17, 1163860), (20, 989281), (34, 581930), (68, 290965), (85, 232772), (170, 116386), (340, 58193)]