20291164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{853}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 37541840

約数和(自身を除く): 17250676

約数列:

[1, 2, 4, 19, 38, 76, 313, 626, 853, 1252, 1706, 3412, 5947, 11894, 16207, 23788, 32414, 64828, 266989, 533978, 1067956, 5072791, 10145582, 20291164]

約数ペア:

[(1, 20291164), (2, 10145582), (4, 5072791), (19, 1067956), (38, 533978), (76, 266989), (313, 64828), (626, 32414), (853, 23788), (1252, 16207), (1706, 11894), (3412, 5947)]