20905820467

素因数分解:

$7^1\times {\mathrm{653}}^1\times {\mathrm{1753}}^1\times {\mathrm{2609}}^1$

素因数の和:5022

約数の個数: 16

約数和(自身を含む): 23951782080

約数和(自身を除く): 3045961613

約数列:

[1, 7, 653, 1753, 2609, 4571, 12271, 18263, 1144709, 1703677, 4573577, 8012963, 11925739, 32015039, 2986545781, 20905820467]

約数ペア:

[(1, 20905820467), (7, 2986545781), (653, 32015039), (1753, 11925739), (2609, 8012963), (4571, 4573577), (12271, 1703677), (18263, 1144709)]