20840928

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 37219872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 47, 48, 62, 93, 94, 96, 124, 141, 149, 186, 188, 248, 282, 298, 372, 376, 447, 496, 564, 596, 744, 752, 894, 992, 1128, 1192, 1457, 1488, 1504, 1788, 2256, 2384, 2914, 2976, 3576, 4371, 4512, 4619, 4768, 5828, 7003, 7152, 8742, 9238, 11656, 13857, 14006, 14304, 17484, 18476, 21009, 23312, 27714, 28012, 34968, 36952, 42018, 46624, 55428, 56024, 69936, 73904, 84036, 110856, 112048, 139872, 147808, 168072, 217093, 221712, 224096, 336144, 434186, 443424, 651279, 672288, 868372, 1302558, 1736744, 2605116, 3473488, 5210232, 6946976, 10420464, 20840928]

約数ペア:

[(1, 20840928), (2, 10420464), (3, 6946976), (4, 5210232), (6, 3473488), (8, 2605116), (12, 1736744), (16, 1302558), (24, 868372), (31, 672288), (32, 651279), (47, 443424), (48, 434186), (62, 336144), (93, 224096), (94, 221712), (96, 217093), (124, 168072), (141, 147808), (149, 139872), (186, 112048), (188, 110856), (248, 84036), (282, 73904), (298, 69936), (372, 56024), (376, 55428), (447, 46624), (496, 42018), (564, 36952), (596, 34968), (744, 28012), (752, 27714), (894, 23312), (992, 21009), (1128, 18476), (1192, 17484), (1457, 14304), (1488, 14006), (1504, 13857), (1788, 11656), (2256, 9238), (2384, 8742), (2914, 7152), (2976, 7003), (3576, 5828), (4371, 4768), (4512, 4619)]