20438495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53087}}^1$

素因数の和:53110

約数の個数: 16

約数和(自身を含む): 30578688

約数和(自身を除く): 10140193

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53087, 265435, 371609, 583957, 1858045, 2919785, 4087699, 20438495]

約数ペア:

[(1, 20438495), (5, 4087699), (7, 2919785), (11, 1858045), (35, 583957), (55, 371609), (77, 265435), (385, 53087)]