20768044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4177}}^1$

素因数の和:4305

約数の個数: 24

約数和(自身を含む): 40008528

約数和(自身を除く): 19240484

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4177, 4972, 8354, 16708, 45947, 91894, 183788, 472001, 944002, 1888004, 5192011, 10384022, 20768044]

約数ペア:

[(1, 20768044), (2, 10384022), (4, 5192011), (11, 1888004), (22, 944002), (44, 472001), (113, 183788), (226, 91894), (452, 45947), (1243, 16708), (2486, 8354), (4177, 4972)]