20325888

素因数分解:

$2^9\times 3^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:436

約数の個数: 120

約数和(自身を含む): 64154376

約数和(自身を除く): 43828488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 256, 264, 288, 352, 384, 396, 401, 512, 528, 576, 704, 768, 792, 802, 1056, 1152, 1203, 1408, 1536, 1584, 1604, 2112, 2304, 2406, 2816, 3168, 3208, 3609, 4224, 4411, 4608, 4812, 5632, 6336, 6416, 7218, 8448, 8822, 9624, 12672, 12832, 13233, 14436, 16896, 17644, 19248, 25344, 25664, 26466, 28872, 35288, 38496, 39699, 50688, 51328, 52932, 57744, 70576, 76992, 79398, 102656, 105864, 115488, 141152, 153984, 158796, 205312, 211728, 230976, 282304, 307968, 317592, 423456, 461952, 564608, 615936, 635184, 846912, 923904, 1129216, 1270368, 1693824, 1847808, 2258432, 2540736, 3387648, 5081472, 6775296, 10162944, 20325888]

約数ペア:

[(1, 20325888), (2, 10162944), (3, 6775296), (4, 5081472), (6, 3387648), (8, 2540736), (9, 2258432), (11, 1847808), (12, 1693824), (16, 1270368), (18, 1129216), (22, 923904), (24, 846912), (32, 635184), (33, 615936), (36, 564608), (44, 461952), (48, 423456), (64, 317592), (66, 307968), (72, 282304), (88, 230976), (96, 211728), (99, 205312), (128, 158796), (132, 153984), (144, 141152), (176, 115488), (192, 105864), (198, 102656), (256, 79398), (264, 76992), (288, 70576), (352, 57744), (384, 52932), (396, 51328), (401, 50688), (512, 39699), (528, 38496), (576, 35288), (704, 28872), (768, 26466), (792, 25664), (802, 25344), (1056, 19248), (1152, 17644), (1203, 16896), (1408, 14436), (1536, 13233), (1584, 12832), (1604, 12672), (2112, 9624), (2304, 8822), (2406, 8448), (2816, 7218), (3168, 6416), (3208, 6336), (3609, 5632), (4224, 4812), (4411, 4608)]