20145567

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 31467520

約数和(自身を除く): 11321953

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 877, 1209, 1767, 2631, 7657, 11401, 16663, 22971, 27187, 34203, 49989, 81561, 216619, 353431, 516553, 649857, 1060293, 1549659, 6715189, 20145567]

約数ペア:

[(1, 20145567), (3, 6715189), (13, 1549659), (19, 1060293), (31, 649857), (39, 516553), (57, 353431), (93, 216619), (247, 81561), (403, 49989), (589, 34203), (741, 27187), (877, 22971), (1209, 16663), (1767, 11401), (2631, 7657)]