20655936

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 168

約数和(自身を含む): 69738240

約数和(自身を除く): 49082304

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 47, 48, 56, 63, 64, 72, 84, 94, 96, 109, 112, 126, 141, 144, 168, 188, 192, 218, 224, 252, 282, 288, 327, 329, 336, 376, 423, 436, 448, 504, 564, 576, 654, 658, 672, 752, 763, 846, 872, 981, 987, 1008, 1128, 1308, 1316, 1344, 1504, 1526, 1692, 1744, 1962, 1974, 2016, 2256, 2289, 2616, 2632, 2961, 3008, 3052, 3384, 3488, 3924, 3948, 4032, 4512, 4578, 5123, 5232, 5264, 5922, 6104, 6768, 6867, 6976, 7848, 7896, 9024, 9156, 10246, 10464, 10528, 11844, 12208, 13536, 13734, 15369, 15696, 15792, 18312, 20492, 20928, 21056, 23688, 24416, 27072, 27468, 30738, 31392, 31584, 35861, 36624, 40984, 46107, 47376, 48832, 54936, 61476, 62784, 63168, 71722, 73248, 81968, 92214, 94752, 107583, 109872, 122952, 143444, 146496, 163936, 184428, 189504, 215166, 219744, 245904, 286888, 322749, 327872, 368856, 430332, 439488, 491808, 573776, 645498, 737712, 860664, 983616, 1147552, 1290996, 1475424, 1721328, 2295104, 2581992, 2950848, 3442656, 5163984, 6885312, 10327968, 20655936]

約数ペア:

[(1, 20655936), (2, 10327968), (3, 6885312), (4, 5163984), (6, 3442656), (7, 2950848), (8, 2581992), (9, 2295104), (12, 1721328), (14, 1475424), (16, 1290996), (18, 1147552), (21, 983616), (24, 860664), (28, 737712), (32, 645498), (36, 573776), (42, 491808), (47, 439488), (48, 430332), (56, 368856), (63, 327872), (64, 322749), (72, 286888), (84, 245904), (94, 219744), (96, 215166), (109, 189504), (112, 184428), (126, 163936), (141, 146496), (144, 143444), (168, 122952), (188, 109872), (192, 107583), (218, 94752), (224, 92214), (252, 81968), (282, 73248), (288, 71722), (327, 63168), (329, 62784), (336, 61476), (376, 54936), (423, 48832), (436, 47376), (448, 46107), (504, 40984), (564, 36624), (576, 35861), (654, 31584), (658, 31392), (672, 30738), (752, 27468), (763, 27072), (846, 24416), (872, 23688), (981, 21056), (987, 20928), (1008, 20492), (1128, 18312), (1308, 15792), (1316, 15696), (1344, 15369), (1504, 13734), (1526, 13536), (1692, 12208), (1744, 11844), (1962, 10528), (1974, 10464), (2016, 10246), (2256, 9156), (2289, 9024), (2616, 7896), (2632, 7848), (2961, 6976), (3008, 6867), (3052, 6768), (3384, 6104), (3488, 5922), (3924, 5264), (3948, 5232), (4032, 5123), (4512, 4578)]