20123763712

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{3947}}^1$

素因数の和:4363

約数の個数: 88

約数和(自身を含む): 43446445056

約数和(自身を除く): 23322681344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 383, 416, 512, 766, 832, 1024, 1532, 1664, 3064, 3328, 3947, 4979, 6128, 6656, 7894, 9958, 12256, 13312, 15788, 19916, 24512, 31576, 39832, 49024, 51311, 63152, 79664, 98048, 102622, 126304, 159328, 196096, 205244, 252608, 318656, 392192, 410488, 505216, 637312, 820976, 1010432, 1274624, 1511701, 1641952, 2020864, 2549248, 3023402, 3283904, 4041728, 5098496, 6046804, 6567808, 12093608, 13135616, 19652113, 24187216, 26271232, 39304226, 48374432, 52542464, 78608452, 96748864, 157216904, 193497728, 314433808, 386995456, 628867616, 773990912, 1257735232, 1547981824, 2515470464, 5030940928, 10061881856, 20123763712]

約数ペア:

[(1, 20123763712), (2, 10061881856), (4, 5030940928), (8, 2515470464), (13, 1547981824), (16, 1257735232), (26, 773990912), (32, 628867616), (52, 386995456), (64, 314433808), (104, 193497728), (128, 157216904), (208, 96748864), (256, 78608452), (383, 52542464), (416, 48374432), (512, 39304226), (766, 26271232), (832, 24187216), (1024, 19652113), (1532, 13135616), (1664, 12093608), (3064, 6567808), (3328, 6046804), (3947, 5098496), (4979, 4041728), (6128, 3283904), (6656, 3023402), (7894, 2549248), (9958, 2020864), (12256, 1641952), (13312, 1511701), (15788, 1274624), (19916, 1010432), (24512, 820976), (31576, 637312), (39832, 505216), (49024, 410488), (51311, 392192), (63152, 318656), (79664, 252608), (98048, 205244), (102622, 196096), (126304, 159328)]