20409188

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2287}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 37669632

約数和(自身を除く): 17260444

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 2287, 4462, 4574, 8924, 9148, 52601, 105202, 210404, 221839, 443678, 887356, 5102297, 10204594, 20409188]

約数ペア:

[(1, 20409188), (2, 10204594), (4, 5102297), (23, 887356), (46, 443678), (92, 221839), (97, 210404), (194, 105202), (388, 52601), (2231, 9148), (2287, 8924), (4462, 4574)]