20199185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1427}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 25704000

約数和(自身を除く): 5504815

約数列:

[1, 5, 19, 95, 149, 745, 1427, 2831, 7135, 14155, 27113, 135565, 212623, 1063115, 4039837, 20199185]

約数ペア:

[(1, 20199185), (5, 4039837), (19, 1063115), (95, 212623), (149, 135565), (745, 27113), (1427, 14155), (2831, 7135)]