20065085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1171}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 25315200

約数和(自身を除く): 5250115

約数列:

[1, 5, 23, 115, 149, 745, 1171, 3427, 5855, 17135, 26933, 134665, 174479, 872395, 4013017, 20065085]

約数ペア:

[(1, 20065085), (5, 4013017), (23, 872395), (115, 174479), (149, 134665), (745, 26933), (1171, 17135), (3427, 5855)]