20602897

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1597}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 25056640

約数和(自身を除く): 4453743

約数列:

[1, 7, 19, 97, 133, 679, 1597, 1843, 11179, 12901, 30343, 154909, 212401, 1084363, 2943271, 20602897]

約数ペア:

[(1, 20602897), (7, 2943271), (19, 1084363), (97, 212401), (133, 154909), (679, 30343), (1597, 12901), (1843, 11179)]