20708157

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8861}}^1$

素因数の和:8924

約数の個数: 16

約数和(自身を含む): 29776320

約数和(自身を除く): 9068163

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 8861, 26583, 168359, 363301, 505077, 1089903, 6902719, 20708157]

約数ペア:

[(1, 20708157), (3, 6902719), (19, 1089903), (41, 505077), (57, 363301), (123, 168359), (779, 26583), (2337, 8861)]