20506442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 35069760

約数和(自身を除く): 14563318

約数列:

[1, 2, 11, 22, 43, 53, 86, 106, 409, 473, 583, 818, 946, 1166, 2279, 4499, 4558, 8998, 17587, 21677, 25069, 35174, 43354, 50138, 193457, 238447, 386914, 476894, 932111, 1864222, 10253221, 20506442]

約数ペア:

[(1, 20506442), (2, 10253221), (11, 1864222), (22, 932111), (43, 476894), (53, 386914), (86, 238447), (106, 193457), (409, 50138), (473, 43354), (583, 35174), (818, 25069), (946, 21677), (1166, 17587), (2279, 8998), (4499, 4558)]