20538642

素因数分解:

$2^1\times 3^1\times {\mathrm{1051}}^1\times {\mathrm{3257}}^1$

素因数の和:4313

約数の個数: 16

約数和(自身を含む): 41128992

約数和(自身を除く): 20590350

約数列:

[1, 2, 3, 6, 1051, 2102, 3153, 3257, 6306, 6514, 9771, 19542, 3423107, 6846214, 10269321, 20538642]

約数ペア:

[(1, 20538642), (2, 10269321), (3, 6846214), (6, 3423107), (1051, 19542), (2102, 9771), (3153, 6514), (3257, 6306)]