20765974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1931}}^1$

素因数の和:2235

約数の個数: 16

約数和(自身を含む): 32921280

約数和(自身を除く): 12155306

約数列:

[1, 2, 19, 38, 283, 566, 1931, 3862, 5377, 10754, 36689, 73378, 546473, 1092946, 10382987, 20765974]

約数ペア:

[(1, 20765974), (2, 10382987), (19, 1092946), (38, 546473), (283, 73378), (566, 36689), (1931, 10754), (3862, 5377)]