20873324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1021}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 38631600

約数和(自身を除く): 17758276

約数列:

[1, 2, 4, 19, 38, 76, 269, 538, 1021, 1076, 2042, 4084, 5111, 10222, 19399, 20444, 38798, 77596, 274649, 549298, 1098596, 5218331, 10436662, 20873324]

約数ペア:

[(1, 20873324), (2, 10436662), (4, 5218331), (19, 1098596), (38, 549298), (76, 274649), (269, 77596), (538, 38798), (1021, 20444), (1076, 19399), (2042, 10222), (4084, 5111)]