20029968

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 120

約数和(自身を含む): 66233856

約数和(自身を除く): 46203888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 641, 651, 744, 868, 1008, 1116, 1282, 1302, 1488, 1736, 1923, 1953, 2232, 2564, 2604, 3472, 3846, 3906, 4464, 4487, 5128, 5208, 5769, 7692, 7812, 8974, 10256, 10416, 11538, 13461, 15384, 15624, 17948, 19871, 23076, 26922, 30768, 31248, 35896, 39742, 40383, 46152, 53844, 59613, 71792, 79484, 80766, 92304, 107688, 119226, 139097, 158968, 161532, 178839, 215376, 238452, 278194, 317936, 323064, 357678, 417291, 476904, 556388, 646128, 715356, 834582, 953808, 1112776, 1251873, 1430712, 1669164, 2225552, 2503746, 2861424, 3338328, 5007492, 6676656, 10014984, 20029968]

約数ペア:

[(1, 20029968), (2, 10014984), (3, 6676656), (4, 5007492), (6, 3338328), (7, 2861424), (8, 2503746), (9, 2225552), (12, 1669164), (14, 1430712), (16, 1251873), (18, 1112776), (21, 953808), (24, 834582), (28, 715356), (31, 646128), (36, 556388), (42, 476904), (48, 417291), (56, 357678), (62, 323064), (63, 317936), (72, 278194), (84, 238452), (93, 215376), (112, 178839), (124, 161532), (126, 158968), (144, 139097), (168, 119226), (186, 107688), (217, 92304), (248, 80766), (252, 79484), (279, 71792), (336, 59613), (372, 53844), (434, 46152), (496, 40383), (504, 39742), (558, 35896), (641, 31248), (651, 30768), (744, 26922), (868, 23076), (1008, 19871), (1116, 17948), (1282, 15624), (1302, 15384), (1488, 13461), (1736, 11538), (1923, 10416), (1953, 10256), (2232, 8974), (2564, 7812), (2604, 7692), (3472, 5769), (3846, 5208), (3906, 5128), (4464, 4487)]