20717991616

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{7151}}^1$

素因数の和:7422

約数の個数: 112

約数和(自身を含む): 48830423040

約数和(自身を除く): 28112431424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 223, 224, 232, 406, 446, 448, 464, 812, 892, 928, 1561, 1624, 1784, 1856, 3122, 3248, 3568, 6244, 6467, 6496, 7136, 7151, 12488, 12934, 12992, 14272, 14302, 24976, 25868, 28604, 45269, 49952, 50057, 51736, 57208, 90538, 99904, 100114, 103472, 114416, 181076, 200228, 206944, 207379, 228832, 362152, 400456, 413888, 414758, 457664, 724304, 800912, 829516, 1448608, 1451653, 1594673, 1601824, 1659032, 2897216, 2903306, 3189346, 3203648, 3318064, 5806612, 6378692, 6636128, 11162711, 11613224, 12757384, 13272256, 22325422, 23226448, 25514768, 44650844, 46245517, 46452896, 51029536, 89301688, 92491034, 92905792, 102059072, 178603376, 184982068, 323718619, 357206752, 369964136, 647437238, 714413504, 739928272, 1294874476, 1479856544, 2589748952, 2959713088, 5179497904, 10358995808, 20717991616]

約数ペア:

[(1, 20717991616), (2, 10358995808), (4, 5179497904), (7, 2959713088), (8, 2589748952), (14, 1479856544), (16, 1294874476), (28, 739928272), (29, 714413504), (32, 647437238), (56, 369964136), (58, 357206752), (64, 323718619), (112, 184982068), (116, 178603376), (203, 102059072), (223, 92905792), (224, 92491034), (232, 89301688), (406, 51029536), (446, 46452896), (448, 46245517), (464, 44650844), (812, 25514768), (892, 23226448), (928, 22325422), (1561, 13272256), (1624, 12757384), (1784, 11613224), (1856, 11162711), (3122, 6636128), (3248, 6378692), (3568, 5806612), (6244, 3318064), (6467, 3203648), (6496, 3189346), (7136, 2903306), (7151, 2897216), (12488, 1659032), (12934, 1601824), (12992, 1594673), (14272, 1451653), (14302, 1448608), (24976, 829516), (25868, 800912), (28604, 724304), (45269, 457664), (49952, 414758), (50057, 413888), (51736, 400456), (57208, 362152), (90538, 228832), (99904, 207379), (100114, 206944), (103472, 200228), (114416, 181076)]