20380836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{242629}}^1$

素因数の和:242643

約数の個数: 24

約数和(自身を含む): 54349120

約数和(自身を除く): 33968284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 242629, 485258, 727887, 970516, 1455774, 1698403, 2911548, 3396806, 5095209, 6793612, 10190418, 20380836]

約数ペア:

[(1, 20380836), (2, 10190418), (3, 6793612), (4, 5095209), (6, 3396806), (7, 2911548), (12, 1698403), (14, 1455774), (21, 970516), (28, 727887), (42, 485258), (84, 242629)]