20121897787

素因数分解:

${\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1381}}^1\times {\mathrm{1531}}^1$

素因数の和:3250

約数の個数: 16

約数和(自身を含む): 20867359744

約数和(自身を除く): 745461957

約数列:

[1, 31, 307, 1381, 1531, 9517, 42811, 47461, 423967, 470017, 2114311, 13142977, 14570527, 65543641, 649093477, 20121897787]

約数ペア:

[(1, 20121897787), (31, 649093477), (307, 65543641), (1381, 14570527), (1531, 13142977), (9517, 2114311), (42811, 470017), (47461, 423967)]