20633856

素因数分解:

$2^8\times 3^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 55874784

約数和(自身を除く): 35240928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 256, 268, 384, 401, 402, 536, 768, 802, 804, 1072, 1203, 1604, 1608, 2144, 2406, 3208, 3216, 4288, 4812, 6416, 6432, 8576, 9624, 12832, 12864, 17152, 19248, 25664, 25728, 26867, 38496, 51328, 51456, 53734, 76992, 80601, 102656, 107468, 153984, 161202, 214936, 307968, 322404, 429872, 644808, 859744, 1289616, 1719488, 2579232, 3438976, 5158464, 6877952, 10316928, 20633856]

約数ペア:

[(1, 20633856), (2, 10316928), (3, 6877952), (4, 5158464), (6, 3438976), (8, 2579232), (12, 1719488), (16, 1289616), (24, 859744), (32, 644808), (48, 429872), (64, 322404), (67, 307968), (96, 214936), (128, 161202), (134, 153984), (192, 107468), (201, 102656), (256, 80601), (268, 76992), (384, 53734), (401, 51456), (402, 51328), (536, 38496), (768, 26867), (802, 25728), (804, 25664), (1072, 19248), (1203, 17152), (1604, 12864), (1608, 12832), (2144, 9624), (2406, 8576), (3208, 6432), (3216, 6416), (4288, 4812)]