20394688

素因数分解:

$2^6\times {\mathrm{223}}^1\times {\mathrm{1429}}^1$

素因数の和:1664

約数の個数: 28

約数和(自身を含む): 40680640

約数和(自身を除く): 20285952

約数列:

[1, 2, 4, 8, 16, 32, 64, 223, 446, 892, 1429, 1784, 2858, 3568, 5716, 7136, 11432, 14272, 22864, 45728, 91456, 318667, 637334, 1274668, 2549336, 5098672, 10197344, 20394688]

約数ペア:

[(1, 20394688), (2, 10197344), (4, 5098672), (8, 2549336), (16, 1274668), (32, 637334), (64, 318667), (223, 91456), (446, 45728), (892, 22864), (1429, 14272), (1784, 11432), (2858, 7136), (3568, 5716)]