20941496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 41558400

約数和(自身を除く): 20616904

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 311, 443, 622, 886, 1244, 1772, 2488, 3544, 5909, 8417, 11818, 16834, 23636, 33668, 47272, 67336, 137773, 275546, 551092, 1102184, 2617687, 5235374, 10470748, 20941496]

約数ペア:

[(1, 20941496), (2, 10470748), (4, 5235374), (8, 2617687), (19, 1102184), (38, 551092), (76, 275546), (152, 137773), (311, 67336), (443, 47272), (622, 33668), (886, 23636), (1244, 16834), (1772, 11818), (2488, 8417), (3544, 5909)]