20651884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20407}}^1$

素因数の和:20445

約数の個数: 24

約数和(自身を含む): 41142528

約数和(自身を除く): 20490644

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20407, 40814, 81628, 224477, 448954, 469361, 897908, 938722, 1877444, 5162971, 10325942, 20651884]

約数ペア:

[(1, 20651884), (2, 10325942), (4, 5162971), (11, 1877444), (22, 938722), (23, 897908), (44, 469361), (46, 448954), (92, 224477), (253, 81628), (506, 40814), (1012, 20407)]