20169919137

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{643}}^1\times {\mathrm{12433}}^1$

素因数の和:13137

約数の個数: 24

約数和(自身を含む): 27898116064

約数和(自身を除く): 7728196927

約数列:

[1, 3, 29, 87, 643, 841, 1929, 2523, 12433, 18647, 37299, 55941, 360557, 540763, 1081671, 1622289, 7994419, 10456153, 23983257, 31368459, 231838151, 695514453, 6723306379, 20169919137]

約数ペア:

[(1, 20169919137), (3, 6723306379), (29, 695514453), (87, 231838151), (643, 31368459), (841, 23983257), (1929, 10456153), (2523, 7994419), (12433, 1622289), (18647, 1081671), (37299, 540763), (55941, 360557)]