20321291241

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{969481}}^1$

素因数の和:969641

約数の個数: 24

約数和(自身を含む): 31306512744

約数和(自身を除く): 10985221503

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 2329, 6987, 20961, 969481, 2908443, 8725329, 16481177, 49443531, 132818897, 148330593, 398456691, 1195370073, 2257921249, 6773763747, 20321291241]

約数ペア:

[(1, 20321291241), (3, 6773763747), (9, 2257921249), (17, 1195370073), (51, 398456691), (137, 148330593), (153, 132818897), (411, 49443531), (1233, 16481177), (2329, 8725329), (6987, 2908443), (20961, 969481)]