20140796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{947}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 38090640

約数和(自身を除く): 17949844

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 947, 1636, 1894, 3788, 5317, 10634, 12311, 21268, 24622, 49244, 387323, 774646, 1549292, 5035199, 10070398, 20140796]

約数ペア:

[(1, 20140796), (2, 10070398), (4, 5035199), (13, 1549292), (26, 774646), (52, 387323), (409, 49244), (818, 24622), (947, 21268), (1636, 12311), (1894, 10634), (3788, 5317)]