20805966

素因数分解:

$2^1\times 3^2\times {\mathrm{439}}^1\times {\mathrm{2633}}^1$

素因数の和:3080

約数の個数: 24

約数和(自身を含む): 45199440

約数和(自身を除く): 24393474

約数列:

[1, 2, 3, 6, 9, 18, 439, 878, 1317, 2633, 2634, 3951, 5266, 7899, 7902, 15798, 23697, 47394, 1155887, 2311774, 3467661, 6935322, 10402983, 20805966]

約数ペア:

[(1, 20805966), (2, 10402983), (3, 6935322), (6, 3467661), (9, 2311774), (18, 1155887), (439, 47394), (878, 23697), (1317, 15798), (2633, 7902), (2634, 7899), (3951, 5266)]