20987164802

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{348937}}^1$

素因数の和:349046

約数の個数: 32

約数和(自身を含む): 35047332720

約数和(自身を除く): 14060167918

約数列:

[1, 2, 17, 29, 34, 58, 61, 122, 493, 986, 1037, 1769, 2074, 3538, 30073, 60146, 348937, 697874, 5931929, 10119173, 11863858, 20238346, 21285157, 42570314, 172025941, 344051882, 361847669, 617269553, 723695338, 1234539106, 10493582401, 20987164802]

約数ペア:

[(1, 20987164802), (2, 10493582401), (17, 1234539106), (29, 723695338), (34, 617269553), (58, 361847669), (61, 344051882), (122, 172025941), (493, 42570314), (986, 21285157), (1037, 20238346), (1769, 11863858), (2074, 10119173), (3538, 5931929), (30073, 697874), (60146, 348937)]