20147272

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81239}}^1$

素因数の和:81276

約数の個数: 16

約数和(自身を含む): 38995200

約数和(自身を除く): 18847928

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81239, 162478, 324956, 649912, 2518409, 5036818, 10073636, 20147272]

約数ペア:

[(1, 20147272), (2, 10073636), (4, 5036818), (8, 2518409), (31, 649912), (62, 324956), (124, 162478), (248, 81239)]