20885722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 37215360

約数和(自身を除く): 16329638

約数列:

[1, 2, 11, 13, 22, 26, 103, 143, 206, 286, 709, 1133, 1339, 1418, 2266, 2678, 7799, 9217, 14729, 15598, 18434, 29458, 73027, 101387, 146054, 202774, 803297, 949351, 1606594, 1898702, 10442861, 20885722]

約数ペア:

[(1, 20885722), (2, 10442861), (11, 1898702), (13, 1606594), (22, 949351), (26, 803297), (103, 202774), (143, 146054), (206, 101387), (286, 73027), (709, 29458), (1133, 18434), (1339, 15598), (1418, 14729), (2266, 9217), (2678, 7799)]