20156304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 39839856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 239, 251, 336, 478, 502, 717, 753, 956, 1004, 1434, 1506, 1673, 1757, 1912, 2008, 2868, 3012, 3346, 3514, 3824, 4016, 5019, 5271, 5736, 6024, 6692, 7028, 10038, 10542, 11472, 12048, 13384, 14056, 20076, 21084, 26768, 28112, 40152, 42168, 59989, 80304, 84336, 119978, 179967, 239956, 359934, 419923, 479912, 719868, 839846, 959824, 1259769, 1439736, 1679692, 2519538, 2879472, 3359384, 5039076, 6718768, 10078152, 20156304]

約数ペア:

[(1, 20156304), (2, 10078152), (3, 6718768), (4, 5039076), (6, 3359384), (7, 2879472), (8, 2519538), (12, 1679692), (14, 1439736), (16, 1259769), (21, 959824), (24, 839846), (28, 719868), (42, 479912), (48, 419923), (56, 359934), (84, 239956), (112, 179967), (168, 119978), (239, 84336), (251, 80304), (336, 59989), (478, 42168), (502, 40152), (717, 28112), (753, 26768), (956, 21084), (1004, 20076), (1434, 14056), (1506, 13384), (1673, 12048), (1757, 11472), (1912, 10542), (2008, 10038), (2868, 7028), (3012, 6692), (3346, 6024), (3514, 5736), (3824, 5271), (4016, 5019)]