20129044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12487}}^1$

素因数の和:12535

約数の個数: 24

約数和(自身を含む): 39162368

約数和(自身を除く): 19033324

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12487, 24974, 49948, 162331, 324662, 387097, 649324, 774194, 1548388, 5032261, 10064522, 20129044]

約数ペア:

[(1, 20129044), (2, 10064522), (4, 5032261), (13, 1548388), (26, 774194), (31, 649324), (52, 387097), (62, 324662), (124, 162331), (403, 49948), (806, 24974), (1612, 12487)]