2005072

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{1109}}^1$

素因数の和:1230

約数の個数: 20

約数和(自身を含む): 3922740

約数和(自身を除く): 1917668

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1109, 1808, 2218, 4436, 8872, 17744, 125317, 250634, 501268, 1002536, 2005072]

約数ペア:

[(1, 2005072), (2, 1002536), (4, 501268), (8, 250634), (16, 125317), (113, 17744), (226, 8872), (452, 4436), (904, 2218), (1109, 1808)]