20876307

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1193}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 29420160

約数和(自身を除く): 8543853

約数列:

[1, 3, 19, 57, 307, 921, 1193, 3579, 5833, 17499, 22667, 68001, 366251, 1098753, 6958769, 20876307]

約数ペア:

[(1, 20876307), (3, 6958769), (19, 1098753), (57, 366251), (307, 68001), (921, 22667), (1193, 17499), (3579, 5833)]