20121326648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{527399}}^1$

素因数の和:527675

約数の個数: 32

約数和(自身を含む): 39871440000

約数和(自身を除く): 19750113352

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 251, 502, 1004, 2008, 4769, 9538, 19076, 38152, 527399, 1054798, 2109596, 4219192, 10020581, 20041162, 40082324, 80164648, 132377149, 264754298, 529508596, 1059017192, 2515165831, 5030331662, 10060663324, 20121326648]

約数ペア:

[(1, 20121326648), (2, 10060663324), (4, 5030331662), (8, 2515165831), (19, 1059017192), (38, 529508596), (76, 264754298), (152, 132377149), (251, 80164648), (502, 40082324), (1004, 20041162), (2008, 10020581), (4769, 4219192), (9538, 2109596), (19076, 1054798), (38152, 527399)]