20296971

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3163}}^1$

素因数の和:3223

約数の個数: 24

約数和(自身を含む): 31589376

約数和(自身を除く): 11292405

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3163, 6417, 9489, 28467, 72749, 98053, 218247, 294159, 654741, 882477, 2255219, 6765657, 20296971]

約数ペア:

[(1, 20296971), (3, 6765657), (9, 2255219), (23, 882477), (31, 654741), (69, 294159), (93, 218247), (207, 98053), (279, 72749), (713, 28467), (2139, 9489), (3163, 6417)]