20498702

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 38092032

約数和(自身を除く): 17593330

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 2003, 4006, 5117, 10234, 14021, 28042, 34051, 68102, 86129, 172258, 238357, 476714, 602903, 1205806, 1464193, 2928386, 10249351, 20498702]

約数ペア:

[(1, 20498702), (2, 10249351), (7, 2928386), (14, 1464193), (17, 1205806), (34, 602903), (43, 476714), (86, 238357), (119, 172258), (238, 86129), (301, 68102), (602, 34051), (731, 28042), (1462, 14021), (2003, 10234), (4006, 5117)]