20049142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3541}}^1$

素因数の和:3711

約数の個数: 16

約数和(自身を含む): 31878000

約数和(自身を除く): 11828858

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3541, 5662, 7082, 67279, 134558, 527609, 1055218, 10024571, 20049142]

約数ペア:

[(1, 20049142), (2, 10024571), (19, 1055218), (38, 527609), (149, 134558), (298, 67279), (2831, 7082), (3541, 5662)]