20508738310

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2528821}}^1$

素因数の和:2529639

約数の個数: 16

約数和(自身を含む): 36961262352

約数和(自身を除く): 16452524042

約数列:

[1, 2, 5, 10, 811, 1622, 4055, 8110, 2528821, 5057642, 12644105, 25288210, 2050873831, 4101747662, 10254369155, 20508738310]

約数ペア:

[(1, 20508738310), (2, 10254369155), (5, 4101747662), (10, 2050873831), (811, 25288210), (1622, 12644105), (4055, 5057642), (8110, 2528821)]