20480174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 36499680

約数和(自身を除く): 16019506

約数列:

[1, 2, 11, 13, 22, 26, 101, 143, 202, 286, 709, 1111, 1313, 1418, 2222, 2626, 7799, 9217, 14443, 15598, 18434, 28886, 71609, 101387, 143218, 202774, 787699, 930917, 1575398, 1861834, 10240087, 20480174]

約数ペア:

[(1, 20480174), (2, 10240087), (11, 1861834), (13, 1575398), (22, 930917), (26, 787699), (101, 202774), (143, 143218), (202, 101387), (286, 71609), (709, 28886), (1111, 18434), (1313, 15598), (1418, 14443), (2222, 9217), (2626, 7799)]