20811934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1373}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 37394784

約数和(自身を除く): 16582850

約数列:

[1, 2, 11, 13, 22, 26, 53, 106, 143, 286, 583, 689, 1166, 1373, 1378, 2746, 7579, 15103, 15158, 17849, 30206, 35698, 72769, 145538, 196339, 392678, 800459, 945997, 1600918, 1891994, 10405967, 20811934]

約数ペア:

[(1, 20811934), (2, 10405967), (11, 1891994), (13, 1600918), (22, 945997), (26, 800459), (53, 392678), (106, 196339), (143, 145538), (286, 72769), (583, 35698), (689, 30206), (1166, 17849), (1373, 15158), (1378, 15103), (2746, 7579)]