20939192

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63839}}^1$

素因数の和:63886

約数の個数: 16

約数和(自身を含む): 40219200

約数和(自身を除く): 19280008

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63839, 127678, 255356, 510712, 2617399, 5234798, 10469596, 20939192]

約数ペア:

[(1, 20939192), (2, 10469596), (4, 5234798), (8, 2617399), (41, 510712), (82, 255356), (164, 127678), (328, 63839)]