20857575639

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{3407}}^1$

素因数の和:3879

約数の個数: 32

約数和(自身を含む): 28650101760

約数和(自身を除く): 7792526121

約数列:

[1, 3, 53, 139, 159, 277, 417, 831, 3407, 7367, 10221, 14681, 22101, 38503, 44043, 115509, 180571, 473573, 541713, 943739, 1420719, 2040659, 2831217, 6121977, 25099369, 50018167, 75298107, 131179721, 150054501, 393539163, 6952525213, 20857575639]

約数ペア:

[(1, 20857575639), (3, 6952525213), (53, 393539163), (139, 150054501), (159, 131179721), (277, 75298107), (417, 50018167), (831, 25099369), (3407, 6121977), (7367, 2831217), (10221, 2040659), (14681, 1420719), (22101, 943739), (38503, 541713), (44043, 473573), (115509, 180571)]