20816311

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 22730688

約数和(自身を除く): 1914377

約数列:

[1, 23, 37, 61, 401, 851, 1403, 2257, 9223, 14837, 24461, 51911, 341251, 562603, 905057, 20816311]

約数ペア:

[(1, 20816311), (23, 905057), (37, 562603), (61, 341251), (401, 51911), (851, 24461), (1403, 14837), (2257, 9223)]