20085812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2081}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 37309440

約数和(自身を除く): 17223628

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2081, 2413, 4162, 4826, 8324, 9652, 39539, 79078, 158156, 264287, 528574, 1057148, 5021453, 10042906, 20085812]

約数ペア:

[(1, 20085812), (2, 10042906), (4, 5021453), (19, 1057148), (38, 528574), (76, 264287), (127, 158156), (254, 79078), (508, 39539), (2081, 9652), (2413, 8324), (4162, 4826)]