19743220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141023}}^1$

素因数の和:141039

約数の個数: 24

約数和(自身を含む): 47384064

約数和(自身を除く): 27640844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141023, 282046, 564092, 705115, 987161, 1410230, 1974322, 2820460, 3948644, 4935805, 9871610, 19743220]

約数ペア:

[(1, 19743220), (2, 9871610), (4, 4935805), (5, 3948644), (7, 2820460), (10, 1974322), (14, 1410230), (20, 987161), (28, 705115), (35, 564092), (70, 282046), (140, 141023)]