20299505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 25894080

約数和(自身を除く): 5594575

約数列:

[1, 5, 19, 95, 107, 535, 1997, 2033, 9985, 10165, 37943, 189715, 213679, 1068395, 4059901, 20299505]

約数ペア:

[(1, 20299505), (5, 4059901), (19, 1068395), (95, 213679), (107, 189715), (535, 37943), (1997, 10165), (2033, 9985)]