20218676547

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{16481}}^1$

素因数の和:16811

約数の個数: 32

約数和(自身を含む): 28480896000

約数和(自身を除く): 8262219453

約数列:

[1, 3, 29, 59, 87, 177, 239, 717, 1711, 5133, 6931, 14101, 16481, 20793, 42303, 49443, 408929, 477949, 972379, 1226787, 1433847, 2917137, 3938959, 11816877, 28198991, 84596973, 114229811, 232398581, 342689433, 697195743, 6739558849, 20218676547]

約数ペア:

[(1, 20218676547), (3, 6739558849), (29, 697195743), (59, 342689433), (87, 232398581), (177, 114229811), (239, 84596973), (717, 28198991), (1711, 11816877), (5133, 3938959), (6931, 2917137), (14101, 1433847), (16481, 1226787), (20793, 972379), (42303, 477949), (49443, 408929)]