20197908

素因数分解:

$2^2\times 3^2\times {\mathrm{561053}}^1$

素因数の和:561063

約数の個数: 18

約数和(自身を含む): 51055914

約数和(自身を除く): 30858006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561053, 1122106, 1683159, 2244212, 3366318, 5049477, 6732636, 10098954, 20197908]

約数ペア:

[(1, 20197908), (2, 10098954), (3, 6732636), (4, 5049477), (6, 3366318), (9, 2244212), (12, 1683159), (18, 1122106), (36, 561053)]