20439936

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^1\times {\mathrm{1613}}^1$

素因数の和:1644

約数の個数: 96

約数和(自身を含む): 64204920

約数和(自身を除く): 43764984

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 264, 288, 352, 384, 396, 528, 576, 704, 792, 1056, 1152, 1408, 1584, 1613, 2112, 3168, 3226, 4224, 4839, 6336, 6452, 9678, 12672, 12904, 14517, 17743, 19356, 25808, 29034, 35486, 38712, 51616, 53229, 58068, 70972, 77424, 103232, 106458, 116136, 141944, 154848, 159687, 206464, 212916, 232272, 283888, 309696, 319374, 425832, 464544, 567776, 619392, 638748, 851664, 929088, 1135552, 1277496, 1703328, 1858176, 2271104, 2554992, 3406656, 5109984, 6813312, 10219968, 20439936]

約数ペア:

[(1, 20439936), (2, 10219968), (3, 6813312), (4, 5109984), (6, 3406656), (8, 2554992), (9, 2271104), (11, 1858176), (12, 1703328), (16, 1277496), (18, 1135552), (22, 929088), (24, 851664), (32, 638748), (33, 619392), (36, 567776), (44, 464544), (48, 425832), (64, 319374), (66, 309696), (72, 283888), (88, 232272), (96, 212916), (99, 206464), (128, 159687), (132, 154848), (144, 141944), (176, 116136), (192, 106458), (198, 103232), (264, 77424), (288, 70972), (352, 58068), (384, 53229), (396, 51616), (528, 38712), (576, 35486), (704, 29034), (792, 25808), (1056, 19356), (1152, 17743), (1408, 14517), (1584, 12904), (1613, 12672), (2112, 9678), (3168, 6452), (3226, 6336), (4224, 4839)]