20413888

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 56

約数和(自身を含む): 44769024

約数和(自身を除く): 24355136

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 107, 176, 214, 271, 352, 428, 542, 704, 856, 1084, 1177, 1712, 2168, 2354, 2981, 3424, 4336, 4708, 5962, 6848, 8672, 9416, 11924, 17344, 18832, 23848, 28997, 37664, 47696, 57994, 75328, 95392, 115988, 190784, 231976, 318967, 463952, 637934, 927904, 1275868, 1855808, 2551736, 5103472, 10206944, 20413888]

約数ペア:

[(1, 20413888), (2, 10206944), (4, 5103472), (8, 2551736), (11, 1855808), (16, 1275868), (22, 927904), (32, 637934), (44, 463952), (64, 318967), (88, 231976), (107, 190784), (176, 115988), (214, 95392), (271, 75328), (352, 57994), (428, 47696), (542, 37664), (704, 28997), (856, 23848), (1084, 18832), (1177, 17344), (1712, 11924), (2168, 9416), (2354, 8672), (2981, 6848), (3424, 5962), (4336, 4708)]