20739917

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 23265792

約数和(自身を除く): 2525875

約数列:

[1, 11, 67, 107, 263, 737, 1177, 2893, 7169, 17621, 28141, 78859, 193831, 309551, 1885447, 20739917]

約数ペア:

[(1, 20739917), (11, 1885447), (67, 309551), (107, 193831), (263, 78859), (737, 28141), (1177, 17621), (2893, 7169)]