20287841272

素因数分解:

$2^3\times {\mathrm{3539}}^1\times {\mathrm{716581}}^1$

素因数の和:720126

約数の個数: 16

約数和(自身を含む): 38050504200

約数和(自身を除く): 17762662928

約数列:

[1, 2, 4, 8, 3539, 7078, 14156, 28312, 716581, 1433162, 2866324, 5732648, 2535980159, 5071960318, 10143920636, 20287841272]

約数ペア:

[(1, 20287841272), (2, 10143920636), (4, 5071960318), (8, 2535980159), (3539, 5732648), (7078, 2866324), (14156, 1433162), (28312, 716581)]