20946716

素因数分解:

$2^2\times 7^2\times {\mathrm{106871}}^1$

素因数の和:106889

約数の個数: 18

約数和(自身を含む): 42641928

約数和(自身を除く): 21695212

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 106871, 213742, 427484, 748097, 1496194, 2992388, 5236679, 10473358, 20946716]

約数ペア:

[(1, 20946716), (2, 10473358), (4, 5236679), (7, 2992388), (14, 1496194), (28, 748097), (49, 427484), (98, 213742), (196, 106871)]