20488272

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 120

約数和(自身を含む): 63781632

約数和(自身を除く): 43293360

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 49, 56, 62, 84, 93, 98, 112, 124, 147, 168, 186, 196, 217, 248, 281, 294, 336, 372, 392, 434, 496, 562, 588, 651, 744, 784, 843, 868, 1124, 1176, 1302, 1488, 1519, 1686, 1736, 1967, 2248, 2352, 2604, 3038, 3372, 3472, 3934, 4496, 4557, 5208, 5901, 6076, 6744, 7868, 8711, 9114, 10416, 11802, 12152, 13488, 13769, 15736, 17422, 18228, 23604, 24304, 26133, 27538, 31472, 34844, 36456, 41307, 47208, 52266, 55076, 60977, 69688, 72912, 82614, 94416, 104532, 110152, 121954, 139376, 165228, 182931, 209064, 220304, 243908, 330456, 365862, 418128, 426839, 487816, 660912, 731724, 853678, 975632, 1280517, 1463448, 1707356, 2561034, 2926896, 3414712, 5122068, 6829424, 10244136, 20488272]

約数ペア:

[(1, 20488272), (2, 10244136), (3, 6829424), (4, 5122068), (6, 3414712), (7, 2926896), (8, 2561034), (12, 1707356), (14, 1463448), (16, 1280517), (21, 975632), (24, 853678), (28, 731724), (31, 660912), (42, 487816), (48, 426839), (49, 418128), (56, 365862), (62, 330456), (84, 243908), (93, 220304), (98, 209064), (112, 182931), (124, 165228), (147, 139376), (168, 121954), (186, 110152), (196, 104532), (217, 94416), (248, 82614), (281, 72912), (294, 69688), (336, 60977), (372, 55076), (392, 52266), (434, 47208), (496, 41307), (562, 36456), (588, 34844), (651, 31472), (744, 27538), (784, 26133), (843, 24304), (868, 23604), (1124, 18228), (1176, 17422), (1302, 15736), (1488, 13769), (1519, 13488), (1686, 12152), (1736, 11802), (1967, 10416), (2248, 9114), (2352, 8711), (2604, 7868), (3038, 6744), (3372, 6076), (3472, 5901), (3934, 5208), (4496, 4557)]