20791584

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6563}}^1$

素因数の和:6590

約数の個数: 72

約数和(自身を含む): 64510992

約数和(自身を除く): 43719408

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6563, 13126, 19689, 26252, 39378, 52504, 59067, 72193, 78756, 105008, 118134, 144386, 157512, 210016, 216579, 236268, 288772, 315024, 433158, 472536, 577544, 630048, 649737, 866316, 945072, 1155088, 1299474, 1732632, 1890144, 2310176, 2598948, 3465264, 5197896, 6930528, 10395792, 20791584]

約数ペア:

[(1, 20791584), (2, 10395792), (3, 6930528), (4, 5197896), (6, 3465264), (8, 2598948), (9, 2310176), (11, 1890144), (12, 1732632), (16, 1299474), (18, 1155088), (22, 945072), (24, 866316), (32, 649737), (33, 630048), (36, 577544), (44, 472536), (48, 433158), (66, 315024), (72, 288772), (88, 236268), (96, 216579), (99, 210016), (132, 157512), (144, 144386), (176, 118134), (198, 105008), (264, 78756), (288, 72193), (352, 59067), (396, 52504), (528, 39378), (792, 26252), (1056, 19689), (1584, 13126), (3168, 6563)]