20121660464

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{3001441}}^1$

素因数の和:3001868

約数の個数: 20

約数和(自身を含む): 39078774840

約数和(自身を除く): 18957114376

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 3001441, 6002882, 12005764, 24011528, 48023056, 1257603779, 2515207558, 5030415116, 10060830232, 20121660464]

約数ペア:

[(1, 20121660464), (2, 10060830232), (4, 5030415116), (8, 2515207558), (16, 1257603779), (419, 48023056), (838, 24011528), (1676, 12005764), (3352, 6002882), (6704, 3001441)]