20780892

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 58002672

約数和(自身を除く): 37221780

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 97, 99, 132, 194, 198, 291, 388, 396, 541, 582, 873, 1067, 1082, 1164, 1623, 1746, 2134, 2164, 3201, 3246, 3492, 4268, 4869, 5951, 6402, 6492, 9603, 9738, 11902, 12804, 17853, 19206, 19476, 23804, 35706, 38412, 52477, 53559, 71412, 104954, 107118, 157431, 209908, 214236, 314862, 472293, 577247, 629724, 944586, 1154494, 1731741, 1889172, 2308988, 3463482, 5195223, 6926964, 10390446, 20780892]

約数ペア:

[(1, 20780892), (2, 10390446), (3, 6926964), (4, 5195223), (6, 3463482), (9, 2308988), (11, 1889172), (12, 1731741), (18, 1154494), (22, 944586), (33, 629724), (36, 577247), (44, 472293), (66, 314862), (97, 214236), (99, 209908), (132, 157431), (194, 107118), (198, 104954), (291, 71412), (388, 53559), (396, 52477), (541, 38412), (582, 35706), (873, 23804), (1067, 19476), (1082, 19206), (1164, 17853), (1623, 12804), (1746, 11902), (2134, 9738), (2164, 9603), (3201, 6492), (3246, 6402), (3492, 5951), (4268, 4869)]