20028679

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 23391360

約数和(自身を除く): 3362681

約数列:

[1, 11, 19, 61, 209, 671, 1159, 1571, 12749, 17281, 29849, 95831, 328339, 1054141, 1820789, 20028679]

約数ペア:

[(1, 20028679), (11, 1820789), (19, 1054141), (61, 328339), (209, 95831), (671, 29849), (1159, 17281), (1571, 12749)]