20919602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9803}}^1$

素因数の和:9913

約数の個数: 16

約数和(自身を含む): 34588512

約数和(自身を除く): 13668910

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 9803, 19606, 107833, 215666, 950891, 1901782, 10459801, 20919602]

約数ペア:

[(1, 20919602), (2, 10459801), (11, 1901782), (22, 950891), (97, 215666), (194, 107833), (1067, 19606), (2134, 9803)]