20213188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{839}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 37396800

約数和(自身を除く): 17183612

約数列:

[1, 2, 4, 19, 38, 76, 317, 634, 839, 1268, 1678, 3356, 6023, 12046, 15941, 24092, 31882, 63764, 265963, 531926, 1063852, 5053297, 10106594, 20213188]

約数ペア:

[(1, 20213188), (2, 10106594), (4, 5053297), (19, 1063852), (38, 531926), (76, 265963), (317, 63764), (634, 31882), (839, 24092), (1268, 15941), (1678, 12046), (3356, 6023)]