20163727864

素因数分解:

$2^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{925621}}^1$

素因数の和:926023

約数の個数: 32

約数和(自身を含む): 43319109600

約数和(自身を除く): 23155381736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389, 778, 1556, 2723, 3112, 5446, 10892, 21784, 925621, 1851242, 3702484, 6479347, 7404968, 12958694, 25917388, 51834776, 360066569, 720133138, 1440266276, 2520465983, 2880532552, 5040931966, 10081863932, 20163727864]

約数ペア:

[(1, 20163727864), (2, 10081863932), (4, 5040931966), (7, 2880532552), (8, 2520465983), (14, 1440266276), (28, 720133138), (56, 360066569), (389, 51834776), (778, 25917388), (1556, 12958694), (2723, 7404968), (3112, 6479347), (5446, 3702484), (10892, 1851242), (21784, 925621)]