20048512

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 45165600

約数和(自身を除く): 25117088

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 319, 352, 464, 491, 638, 704, 928, 982, 1276, 1408, 1856, 1964, 2552, 3712, 3928, 5104, 5401, 7856, 10208, 10802, 14239, 15712, 20416, 21604, 28478, 31424, 40832, 43208, 56956, 62848, 86416, 113912, 156629, 172832, 227824, 313258, 345664, 455648, 626516, 691328, 911296, 1253032, 1822592, 2506064, 5012128, 10024256, 20048512]

約数ペア:

[(1, 20048512), (2, 10024256), (4, 5012128), (8, 2506064), (11, 1822592), (16, 1253032), (22, 911296), (29, 691328), (32, 626516), (44, 455648), (58, 345664), (64, 313258), (88, 227824), (116, 172832), (128, 156629), (176, 113912), (232, 86416), (319, 62848), (352, 56956), (464, 43208), (491, 40832), (638, 31424), (704, 28478), (928, 21604), (982, 20416), (1276, 15712), (1408, 14239), (1856, 10802), (1964, 10208), (2552, 7856), (3712, 5401), (3928, 5104)]