20215431168

素因数分解:

$2^{16}\times 3^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:713

約数の個数: 136

約数和(自身を含む): 54263394000

約数和(自身を除く): 34047962832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 229, 256, 384, 449, 458, 512, 687, 768, 898, 916, 1024, 1347, 1374, 1536, 1796, 1832, 2048, 2694, 2748, 3072, 3592, 3664, 4096, 5388, 5496, 6144, 7184, 7328, 8192, 10776, 10992, 12288, 14368, 14656, 16384, 21552, 21984, 24576, 28736, 29312, 32768, 43104, 43968, 49152, 57472, 58624, 65536, 86208, 87936, 98304, 102821, 114944, 117248, 172416, 175872, 196608, 205642, 229888, 234496, 308463, 344832, 351744, 411284, 459776, 468992, 616926, 689664, 703488, 822568, 919552, 937984, 1233852, 1379328, 1406976, 1645136, 1839104, 1875968, 2467704, 2758656, 2813952, 3290272, 3678208, 3751936, 4935408, 5517312, 5627904, 6580544, 7356416, 7503872, 9870816, 11034624, 11255808, 13161088, 14712832, 15007744, 19741632, 22069248, 22511616, 26322176, 29425664, 39483264, 44138496, 45023232, 52644352, 78966528, 88276992, 105288704, 157933056, 210577408, 315866112, 421154816, 631732224, 842309632, 1263464448, 1684619264, 2526928896, 3369238528, 5053857792, 6738477056, 10107715584, 20215431168]

約数ペア:

[(1, 20215431168), (2, 10107715584), (3, 6738477056), (4, 5053857792), (6, 3369238528), (8, 2526928896), (12, 1684619264), (16, 1263464448), (24, 842309632), (32, 631732224), (48, 421154816), (64, 315866112), (96, 210577408), (128, 157933056), (192, 105288704), (229, 88276992), (256, 78966528), (384, 52644352), (449, 45023232), (458, 44138496), (512, 39483264), (687, 29425664), (768, 26322176), (898, 22511616), (916, 22069248), (1024, 19741632), (1347, 15007744), (1374, 14712832), (1536, 13161088), (1796, 11255808), (1832, 11034624), (2048, 9870816), (2694, 7503872), (2748, 7356416), (3072, 6580544), (3592, 5627904), (3664, 5517312), (4096, 4935408), (5388, 3751936), (5496, 3678208), (6144, 3290272), (7184, 2813952), (7328, 2758656), (8192, 2467704), (10776, 1875968), (10992, 1839104), (12288, 1645136), (14368, 1406976), (14656, 1379328), (16384, 1233852), (21552, 937984), (21984, 919552), (24576, 822568), (28736, 703488), (29312, 689664), (32768, 616926), (43104, 468992), (43968, 459776), (49152, 411284), (57472, 351744), (58624, 344832), (65536, 308463), (86208, 234496), (87936, 229888), (98304, 205642), (102821, 196608), (114944, 175872), (117248, 172416)]