20685168

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20521}}^1$

素因数の和:20542

約数の個数: 60

約数和(自身を含む): 66162928

約数和(自身を除く): 45477760

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20521, 41042, 61563, 82084, 123126, 143647, 164168, 184689, 246252, 287294, 328336, 369378, 430941, 492504, 574588, 738756, 861882, 985008, 1149176, 1292823, 1477512, 1723764, 2298352, 2585646, 2955024, 3447528, 5171292, 6895056, 10342584, 20685168]

約数ペア:

[(1, 20685168), (2, 10342584), (3, 6895056), (4, 5171292), (6, 3447528), (7, 2955024), (8, 2585646), (9, 2298352), (12, 1723764), (14, 1477512), (16, 1292823), (18, 1149176), (21, 985008), (24, 861882), (28, 738756), (36, 574588), (42, 492504), (48, 430941), (56, 369378), (63, 328336), (72, 287294), (84, 246252), (112, 184689), (126, 164168), (144, 143647), (168, 123126), (252, 82084), (336, 61563), (504, 41042), (1008, 20521)]