20737392

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 58329600

約数和(自身を除く): 37592208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 167, 199, 208, 312, 334, 398, 501, 597, 624, 668, 796, 1002, 1194, 1336, 1592, 2004, 2171, 2388, 2587, 2672, 3184, 4008, 4342, 4776, 5174, 6513, 7761, 8016, 8684, 9552, 10348, 13026, 15522, 17368, 20696, 26052, 31044, 33233, 34736, 41392, 52104, 62088, 66466, 99699, 104208, 124176, 132932, 199398, 265864, 398796, 432029, 531728, 797592, 864058, 1296087, 1595184, 1728116, 2592174, 3456232, 5184348, 6912464, 10368696, 20737392]

約数ペア:

[(1, 20737392), (2, 10368696), (3, 6912464), (4, 5184348), (6, 3456232), (8, 2592174), (12, 1728116), (13, 1595184), (16, 1296087), (24, 864058), (26, 797592), (39, 531728), (48, 432029), (52, 398796), (78, 265864), (104, 199398), (156, 132932), (167, 124176), (199, 104208), (208, 99699), (312, 66466), (334, 62088), (398, 52104), (501, 41392), (597, 34736), (624, 33233), (668, 31044), (796, 26052), (1002, 20696), (1194, 17368), (1336, 15522), (1592, 13026), (2004, 10348), (2171, 9552), (2388, 8684), (2587, 8016), (2672, 7761), (3184, 6513), (4008, 5174), (4342, 4776)]