20955484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20707}}^1$

素因数の和:20745

約数の個数: 24

約数和(自身を含む): 41747328

約数和(自身を除く): 20791844

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20707, 41414, 82828, 227777, 455554, 476261, 911108, 952522, 1905044, 5238871, 10477742, 20955484]

約数ペア:

[(1, 20955484), (2, 10477742), (4, 5238871), (11, 1905044), (22, 952522), (23, 911108), (44, 476261), (46, 455554), (92, 227777), (253, 82828), (506, 41414), (1012, 20707)]