20926872

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12637}}^1$

素因数の和:12672

約数の個数: 48

約数和(自身を含む): 59145840

約数和(自身を除く): 38218968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12637, 25274, 37911, 50548, 75822, 101096, 113733, 151644, 227466, 290651, 303288, 454932, 581302, 871953, 909864, 1162604, 1743906, 2325208, 2615859, 3487812, 5231718, 6975624, 10463436, 20926872]

約数ペア:

[(1, 20926872), (2, 10463436), (3, 6975624), (4, 5231718), (6, 3487812), (8, 2615859), (9, 2325208), (12, 1743906), (18, 1162604), (23, 909864), (24, 871953), (36, 581302), (46, 454932), (69, 303288), (72, 290651), (92, 227466), (138, 151644), (184, 113733), (207, 101096), (276, 75822), (414, 50548), (552, 37911), (828, 25274), (1656, 12637)]