20178697768

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{19860923}}^1$

素因数の和:19861056

約数の個数: 16

約数和(自身を含む): 38132974080

約数和(自身を除く): 17954276312

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 19860923, 39721846, 79443692, 158887384, 2522337221, 5044674442, 10089348884, 20178697768]

約数ペア:

[(1, 20178697768), (2, 10089348884), (4, 5044674442), (8, 2522337221), (127, 158887384), (254, 79443692), (508, 39721846), (1016, 19860923)]