20512971339

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1\times {\mathrm{17231}}^1$

素因数の和:18007

約数の個数: 32

約数和(自身を含む): 31682617344

約数和(自身を除く): 11169646005

約数列:

[1, 3, 7, 21, 83, 249, 581, 683, 1743, 2049, 4781, 14343, 17231, 51693, 56689, 120617, 170067, 361851, 396823, 1190469, 1430173, 4290519, 10011211, 11768773, 30033633, 35306319, 82381411, 247144233, 976808159, 2930424477, 6837657113, 20512971339]

約数ペア:

[(1, 20512971339), (3, 6837657113), (7, 2930424477), (21, 976808159), (83, 247144233), (249, 82381411), (581, 35306319), (683, 30033633), (1743, 11768773), (2049, 10011211), (4781, 4290519), (14343, 1430173), (17231, 1190469), (51693, 396823), (56689, 361851), (120617, 170067)]