20149394944

素因数分解:

$2^9\times 7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:644

約数の個数: 160

約数和(自身を含む): 46918872000

約数和(自身を除く): 26769477056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 181, 224, 256, 349, 356, 362, 448, 512, 623, 698, 712, 724, 896, 1246, 1267, 1396, 1424, 1448, 1792, 2443, 2492, 2534, 2792, 2848, 2896, 3584, 4886, 4984, 5068, 5584, 5696, 5792, 9772, 9968, 10136, 11168, 11392, 11584, 16109, 19544, 19936, 20272, 22336, 22784, 23168, 31061, 32218, 39088, 39872, 40544, 44672, 45568, 46336, 62122, 63169, 64436, 78176, 79744, 81088, 89344, 92672, 112763, 124244, 126338, 128872, 156352, 159488, 162176, 178688, 217427, 225526, 248488, 252676, 257744, 312704, 318976, 324352, 434854, 442183, 451052, 496976, 505352, 515488, 625408, 648704, 869708, 884366, 902104, 993952, 1010704, 1030976, 1250816, 1739416, 1768732, 1804208, 1987904, 2021408, 2061952, 3478832, 3537464, 3608416, 3975808, 4042816, 4123904, 5622041, 6957664, 7074928, 7216832, 7951616, 8085632, 8247808, 11244082, 13915328, 14149856, 14433664, 15903232, 16171264, 22488164, 27830656, 28299712, 28867328, 32342528, 39354287, 44976328, 55661312, 56599424, 57734656, 78708574, 89952656, 111322624, 113198848, 157417148, 179905312, 226397696, 314834296, 359810624, 629668592, 719621248, 1259337184, 1439242496, 2518674368, 2878484992, 5037348736, 10074697472, 20149394944]

約数ペア:

[(1, 20149394944), (2, 10074697472), (4, 5037348736), (7, 2878484992), (8, 2518674368), (14, 1439242496), (16, 1259337184), (28, 719621248), (32, 629668592), (56, 359810624), (64, 314834296), (89, 226397696), (112, 179905312), (128, 157417148), (178, 113198848), (181, 111322624), (224, 89952656), (256, 78708574), (349, 57734656), (356, 56599424), (362, 55661312), (448, 44976328), (512, 39354287), (623, 32342528), (698, 28867328), (712, 28299712), (724, 27830656), (896, 22488164), (1246, 16171264), (1267, 15903232), (1396, 14433664), (1424, 14149856), (1448, 13915328), (1792, 11244082), (2443, 8247808), (2492, 8085632), (2534, 7951616), (2792, 7216832), (2848, 7074928), (2896, 6957664), (3584, 5622041), (4886, 4123904), (4984, 4042816), (5068, 3975808), (5584, 3608416), (5696, 3537464), (5792, 3478832), (9772, 2061952), (9968, 2021408), (10136, 1987904), (11168, 1804208), (11392, 1768732), (11584, 1739416), (16109, 1250816), (19544, 1030976), (19936, 1010704), (20272, 993952), (22336, 902104), (22784, 884366), (23168, 869708), (31061, 648704), (32218, 625408), (39088, 515488), (39872, 505352), (40544, 496976), (44672, 451052), (45568, 442183), (46336, 434854), (62122, 324352), (63169, 318976), (64436, 312704), (78176, 257744), (79744, 252676), (81088, 248488), (89344, 225526), (92672, 217427), (112763, 178688), (124244, 162176), (126338, 159488), (128872, 156352)]