20121557776

素因数分解:

$2^4\times {\mathrm{937}}^1\times {\mathrm{1342153}}^1$

素因数の和:1343098

約数の個数: 20

約数和(自身を含む): 39027154012

約数和(自身を除く): 18905596236

約数列:

[1, 2, 4, 8, 16, 937, 1874, 3748, 7496, 14992, 1342153, 2684306, 5368612, 10737224, 21474448, 1257597361, 2515194722, 5030389444, 10060778888, 20121557776]

約数ペア:

[(1, 20121557776), (2, 10060778888), (4, 5030389444), (8, 2515194722), (16, 1257597361), (937, 21474448), (1874, 10737224), (3748, 5368612), (7496, 2684306), (14992, 1342153)]