20674413

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 32563200

約数和(自身を除く): 11888787

約数列:

[1, 3, 9, 19, 27, 57, 171, 191, 211, 513, 573, 633, 1719, 1899, 3629, 4009, 5157, 5697, 10887, 12027, 32661, 36081, 40301, 97983, 108243, 120903, 362709, 765719, 1088127, 2297157, 6891471, 20674413]

約数ペア:

[(1, 20674413), (3, 6891471), (9, 2297157), (19, 1088127), (27, 765719), (57, 362709), (171, 120903), (191, 108243), (211, 97983), (513, 40301), (573, 36081), (633, 32661), (1719, 12027), (1899, 10887), (3629, 5697), (4009, 5157)]