20119833

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1938

約数の個数: 20

約数和(自身を含む): 30288720

約数和(自身を除く): 10168887

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1787, 3753, 5361, 11259, 16083, 48249, 144747, 248393, 745179, 2235537, 6706611, 20119833]

約数ペア:

[(1, 20119833), (3, 6706611), (9, 2235537), (27, 745179), (81, 248393), (139, 144747), (417, 48249), (1251, 16083), (1787, 11259), (3753, 5361)]