20845299

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10120461

約数列:

[1, 3, 19, 31, 47, 57, 93, 141, 251, 589, 753, 893, 1457, 1767, 2679, 4371, 4769, 7781, 11797, 14307, 23343, 27683, 35391, 83049, 147839, 224143, 365707, 443517, 672429, 1097121, 6948433, 20845299]

約数ペア:

[(1, 20845299), (3, 6948433), (19, 1097121), (31, 672429), (47, 443517), (57, 365707), (93, 224143), (141, 147839), (251, 83049), (589, 35391), (753, 27683), (893, 23343), (1457, 14307), (1767, 11797), (2679, 7781), (4371, 4769)]