20117542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{839}}^1$

素因数の和:1491

約数の個数: 16

約数和(自身を含む): 31852800

約数和(自身を除く): 11735258

約数列:

[1, 2, 19, 38, 631, 839, 1262, 1678, 11989, 15941, 23978, 31882, 529409, 1058818, 10058771, 20117542]

約数ペア:

[(1, 20117542), (2, 10058771), (19, 1058818), (38, 529409), (631, 31882), (839, 23978), (1262, 15941), (1678, 11989)]