20145418688

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2478521}}^1$

素因数の和:2478660

約数の個数: 28

約数和(自身を含む): 40290853632

約数和(自身を除く): 20145434944

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 2478521, 4957042, 9914084, 19828168, 39656336, 79312672, 158625344, 314772167, 629544334, 1259088668, 2518177336, 5036354672, 10072709344, 20145418688]

約数ペア:

[(1, 20145418688), (2, 10072709344), (4, 5036354672), (8, 2518177336), (16, 1259088668), (32, 629544334), (64, 314772167), (127, 158625344), (254, 79312672), (508, 39656336), (1016, 19828168), (2032, 9914084), (4064, 4957042), (8128, 2478521)]