20480922

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2111}}^1$

素因数の和:2144

約数の個数: 72

約数和(自身を含む): 56339712

約数和(自身を除く): 35858790

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 2111, 3234, 4222, 4851, 6333, 9702, 12666, 14777, 18999, 23221, 29554, 37998, 44331, 46442, 69663, 88662, 103439, 132993, 139326, 162547, 206878, 208989, 265986, 310317, 325094, 417978, 487641, 620634, 930951, 975282, 1137829, 1462923, 1861902, 2275658, 2925846, 3413487, 6826974, 10240461, 20480922]

約数ペア:

[(1, 20480922), (2, 10240461), (3, 6826974), (6, 3413487), (7, 2925846), (9, 2275658), (11, 1861902), (14, 1462923), (18, 1137829), (21, 975282), (22, 930951), (33, 620634), (42, 487641), (49, 417978), (63, 325094), (66, 310317), (77, 265986), (98, 208989), (99, 206878), (126, 162547), (147, 139326), (154, 132993), (198, 103439), (231, 88662), (294, 69663), (441, 46442), (462, 44331), (539, 37998), (693, 29554), (882, 23221), (1078, 18999), (1386, 14777), (1617, 12666), (2111, 9702), (3234, 6333), (4222, 4851)]