20520095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3626

約数の個数: 16

約数和(自身を含む): 26352480

約数和(自身を除く): 5832385

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3541, 5795, 17705, 67279, 216001, 336395, 1080005, 4104019, 20520095]

約数ペア:

[(1, 20520095), (5, 4104019), (19, 1080005), (61, 336395), (95, 216001), (305, 67279), (1159, 17705), (3541, 5795)]