20219368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{449}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 41013000

約数和(自身を除く): 20793632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 433, 449, 866, 898, 1732, 1796, 3464, 3592, 5629, 5837, 11258, 11674, 22516, 23348, 45032, 46696, 194417, 388834, 777668, 1555336, 2527421, 5054842, 10109684, 20219368]

約数ペア:

[(1, 20219368), (2, 10109684), (4, 5054842), (8, 2527421), (13, 1555336), (26, 777668), (52, 388834), (104, 194417), (433, 46696), (449, 45032), (866, 23348), (898, 22516), (1732, 11674), (1796, 11258), (3464, 5837), (3592, 5629)]