20479488

素因数分解:

$2^9\times 3^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 80

約数和(自身を含む): 55651200

約数和(自身を除く): 35171712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 199, 201, 256, 268, 384, 398, 402, 512, 536, 597, 768, 796, 804, 1072, 1194, 1536, 1592, 1608, 2144, 2388, 3184, 3216, 4288, 4776, 6368, 6432, 8576, 9552, 12736, 12864, 13333, 17152, 19104, 25472, 25728, 26666, 34304, 38208, 39999, 50944, 51456, 53332, 76416, 79998, 101888, 102912, 106664, 152832, 159996, 213328, 305664, 319992, 426656, 639984, 853312, 1279968, 1706624, 2559936, 3413248, 5119872, 6826496, 10239744, 20479488]

約数ペア:

[(1, 20479488), (2, 10239744), (3, 6826496), (4, 5119872), (6, 3413248), (8, 2559936), (12, 1706624), (16, 1279968), (24, 853312), (32, 639984), (48, 426656), (64, 319992), (67, 305664), (96, 213328), (128, 159996), (134, 152832), (192, 106664), (199, 102912), (201, 101888), (256, 79998), (268, 76416), (384, 53332), (398, 51456), (402, 50944), (512, 39999), (536, 38208), (597, 34304), (768, 26666), (796, 25728), (804, 25472), (1072, 19104), (1194, 17152), (1536, 13333), (1592, 12864), (1608, 12736), (2144, 9552), (2388, 8576), (3184, 6432), (3216, 6368), (4288, 4776)]