20778812354

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{6841}}^1\times {\mathrm{13933}}^1$

素因数の和:20885

約数の個数: 16

約数和(自身を含む): 31461021240

約数和(自身を除く): 10682208886

約数列:

[1, 2, 109, 218, 6841, 13682, 13933, 27866, 745669, 1491338, 1518697, 3037394, 95315653, 190631306, 10389406177, 20778812354]

約数ペア:

[(1, 20778812354), (2, 10389406177), (109, 190631306), (218, 95315653), (6841, 3037394), (13682, 1518697), (13933, 1491338), (27866, 745669)]