20547989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4523}}^1$

素因数の和:4600

約数の個数: 16

約数和(自身を含む): 26058240

約数和(自身を除く): 5510251

約数列:

[1, 7, 11, 59, 77, 413, 649, 4523, 4543, 31661, 49753, 266857, 348271, 1867999, 2935427, 20547989]

約数ペア:

[(1, 20547989), (7, 2935427), (11, 1867999), (59, 348271), (77, 266857), (413, 49753), (649, 31661), (4523, 4543)]