20863248

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2052

約数の個数: 80

約数和(自身を含む): 63614976

約数和(自身を除く): 42751728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2003, 2604, 3472, 4006, 5208, 6009, 8012, 10416, 12018, 14021, 16024, 24036, 28042, 32048, 42063, 48072, 56084, 62093, 84126, 96144, 112168, 124186, 168252, 186279, 224336, 248372, 336504, 372558, 434651, 496744, 673008, 745116, 869302, 993488, 1303953, 1490232, 1738604, 2607906, 2980464, 3477208, 5215812, 6954416, 10431624, 20863248]

約数ペア:

[(1, 20863248), (2, 10431624), (3, 6954416), (4, 5215812), (6, 3477208), (7, 2980464), (8, 2607906), (12, 1738604), (14, 1490232), (16, 1303953), (21, 993488), (24, 869302), (28, 745116), (31, 673008), (42, 496744), (48, 434651), (56, 372558), (62, 336504), (84, 248372), (93, 224336), (112, 186279), (124, 168252), (168, 124186), (186, 112168), (217, 96144), (248, 84126), (336, 62093), (372, 56084), (434, 48072), (496, 42063), (651, 32048), (744, 28042), (868, 24036), (1302, 16024), (1488, 14021), (1736, 12018), (2003, 10416), (2604, 8012), (3472, 6009), (4006, 5208)]