20748816

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13099}}^1$

素因数の和:13124

約数の個数: 60

約数和(自身を含む): 63351600

約数和(自身を除く): 42602784

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 13099, 26198, 39297, 52396, 78594, 104792, 117891, 144089, 157188, 209584, 235782, 288178, 314376, 432267, 471564, 576356, 628752, 864534, 943128, 1152712, 1296801, 1729068, 1886256, 2305424, 2593602, 3458136, 5187204, 6916272, 10374408, 20748816]

約数ペア:

[(1, 20748816), (2, 10374408), (3, 6916272), (4, 5187204), (6, 3458136), (8, 2593602), (9, 2305424), (11, 1886256), (12, 1729068), (16, 1296801), (18, 1152712), (22, 943128), (24, 864534), (33, 628752), (36, 576356), (44, 471564), (48, 432267), (66, 314376), (72, 288178), (88, 235782), (99, 209584), (132, 157188), (144, 144089), (176, 117891), (198, 104792), (264, 78594), (396, 52396), (528, 39297), (792, 26198), (1584, 13099)]