20848653808

素因数分解:

$2^4\times {\mathrm{317}}^2\times {\mathrm{12967}}^1$

素因数の和:13609

約数の個数: 30

約数和(自身を含む): 40525220456

約数和(自身を除く): 19676566648

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 12967, 25934, 51868, 100489, 103736, 200978, 207472, 401956, 803912, 1607824, 4110539, 8221078, 16442156, 32884312, 65768624, 1303040863, 2606081726, 5212163452, 10424326904, 20848653808]

約数ペア:

[(1, 20848653808), (2, 10424326904), (4, 5212163452), (8, 2606081726), (16, 1303040863), (317, 65768624), (634, 32884312), (1268, 16442156), (2536, 8221078), (5072, 4110539), (12967, 1607824), (25934, 803912), (51868, 401956), (100489, 207472), (103736, 200978)]