20198853213

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{848941}}^1$

素因数の和:849065

約数の個数: 32

約数和(自身を含む): 33903347712

約数和(自身を除く): 13704494499

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 23793, 848941, 2546823, 5942587, 9338351, 17827761, 28015053, 65368457, 87440923, 196105371, 262322769, 612086461, 961850153, 1836259383, 2885550459, 6732951071, 20198853213]

約数ペア:

[(1, 20198853213), (3, 6732951071), (7, 2885550459), (11, 1836259383), (21, 961850153), (33, 612086461), (77, 262322769), (103, 196105371), (231, 87440923), (309, 65368457), (721, 28015053), (1133, 17827761), (2163, 9338351), (3399, 5942587), (7931, 2546823), (23793, 848941)]